1. Flatness or Preakness of curve can be measured by ________.
[A] Skegness
[B] Kurtosis
[C] Average
[D] Range
2. For the series with observation 10, 12, 15, 8, 24, 28, 16, 42, 56, 32 and 18 then coefficient of range _______.
[A] 48
[B] 24
[C] 0.75
[D] 0.50
3. For 15 observations if mean and variance of the series is 450 and 20 respectively then sum of all observation is ________.
[A] 30
[B] 6750
[C] 300
[D] 3375
4. For the series with observation 10, 12, 15, 8, 24, 28, 16, 42, 56, 32 and 18 then quartile deviation is _______.
[A] 20
[B] 8
[C] 10
[D] 22
5. For the series with observation 10, 12, 15, 8, 24, 28, 16, 42, 56, 32 and 18 then quartile range is _______.
[A] 20
[B] 8
[C] 10
[D] 22
6. Mean = ? (3 Median – Mode )
[A] 1/2
[B] 1/3
[C] 3
[D] 2
7. Mean – Mode = ? (Mean – Median)
[A] 1/2
[B] 1/3
[C] 3
[D] 2
8. Median = Mode + ?(Mean – Median)
[A] 1/2
[B] 1/3
[C] 3
[D] 2
9. Mode = Mean - ? (Mean – Median)
[A] 1/2
[B] 1/3
[C] 3
[D] 2/3
10. For 10 observations if mean and variance of the series is 16 and 20 respectively then sum of square of all observation is ________.
[A] 2760
[B] 4000
[C] 3600
[D] 4160
11. Measure of dispersion _________ is based on two extreme values of the series.
[A] standard deviation
[b] mean deviation
[c] quartile deviation
[d] range
12. Measure of dispersion _________ is based on average of absolute deviation of observation from average value of the series.
[A] standard deviation
[b] mean deviation
[c] quartile deviation
[d] range
13. Measure of dispersion _________ is based on average of squared deviation of observation from average value of the series.
[A] standard deviation
[b] mean deviation
[c] quartile deviation
[d] range
14. For the given set of observation 1, 4, 4, 4, and 7 , it can be said that the ______.
[A] mean > median > mode
[B] mean = median = mode
[C] mean ≠ median ≠ mode
[D] mean < median < mode
15. Measure of central tendency which can be graphically located with the help of Histogram is _____.
[A] mode
[B] median
[C] mean
[D] quartile
16. Relative measures of Dispersion are ______.
[A] Free from unit of measurements.
[B] Ratio of absolute measure of dispersion and location
measure.
[C] Used for comparison.
[D] All of the above.
17. Which of the following statement is not true?
[A] Statistics deal with quantitative data.
[B] Statistics deal with qualitative data.
[C] Statistics deal with both quantitative data and
qualitative data
[D] Statistics does not cover graphical
device.
18. From the following which is not absolute measure of dispersion?
[A] Mean deviation
[B] Standard deviation
[C] Range
[D] Coefficient of Variation
19. The data obtained by conducting a survey is called:
[A] Primary data
[B] Secondary data
[C] Continuous data
[D] Qualitative data
20. If values of a variable X are 5, 5, 5, 5, 5, 5 then its standard deviation is _____.
[A] 1
[B] zero
[C] 5
[D] 30
21. Skewness is present in the distribution if ________.
[A] mean ≠ median ≠ mode
[B] Q3 − Q2 = Q2 − Q1
[C] mean = median = mode
[D] None
22. For open-end frequency distribution the appropriate measure of skewness is __________.
[A] Karl Pearson’s coefficient of skewness
[B] Bowley’s coefficient of skewness
[C] Yule’s coefficient of skewness
[D] Moment base coefficient of skewness
23. Moments about an arbitrary value is known as _______________.
[A] raw moment
[B] central moment
[C] moments about mean
[D] none
24. Sum of deviation of observation from their respective mean is _______________.
[A] Zero
[B] one
[C] frequency(f)
[D] total frequency(N)
25. First Central Moment is always____.
[A] 1
[B] 2
[C] 3
[D] zero
26. If second central moment is 16, what is the standard deviation of that distribution?
[A] 16
[B] 8
[C] 4
[D] 2
27. Primary data is ___________.
[A] Always collected before secondary data
[B] Collected for the specific purpose at
hand
[C] Information that already exists
[D] Data collected for other purposes
28. The value of third central moment is −0.5 then the distribution is said to be ________
[A] positively skewed
[B] negatively skewed
[C] symmetric
[D] normal
29. If Second and Fourth Central Moments of a distribution are 2 and 16 respectively then the distribution is said to be ___________.
[A] meso kurtic
[B] lepto kurtic
[C] platy kurtic
[D] normal
30. Skewness measures _________________.
[A] lack of symmetry
[B] peakedness of the curve
[C] location of data
[D] range of the data
31. In singular sense, Statistics means
[A] Statistical methods used for collecting,
analyzing and drawing inference from the numerical data.
[B] Collection of statistical data
[C] Science of data
[D] Summarization of data
32. Statistics is defined in terms of numerical data in the
[A] Singular Sense
[B] Plural Sense
[C] Data sense
[D] Natural sense
33. The origin of statistics can be traced to
[A] State
[B]Commerce
[C] Economics
[D] Industry
34. The word 'Statistics' seems to have been derived from the Latin word ________.
[A] statistic
[B] Statist
[C] status
[D] state
35. Which of the following is not characteristic of statistical data?
[A] They should be numerically expressed.
[B] They should be placed in relation to each
other.
[C] They should be collected in systematic manner.
[D] They may be liable to misused.
36. Exhaustive definition of Statistics in Plural Sense is given by _______
[A] Horace Sacrist
[B] Croxton and Cowden
[C] Tuttle
[D] Karl Pearson
37. _________has define statistics in singular sense.
[A] Horace Sacrist
[B] Croxton and Cowden
[C] Tuttle
[D] Karl Pearson
38. Which of the following is not function of statistics?
[A] Statistics simplify unwieldy and complex data so that
they can be easily understand
[B] Statistics facilitate a comparative study of various
phenomena.
[C] Statistics can be used to measure uncertainty in the
result.
[D] Statistics can provide exact analysis.
39. Statistical methods can summarize or describe a collection of data. This is called ______ statistics.
[A] Descriptive
[B] Theoretical
[C] Applied
[D] Inferential
40. Data patterns may be modeled in a way that accounts
for randomness and uncertainty in the observations.
These models can be used to draw inferences about the
process or population under study is called ______
statistics.
[A] Descriptive
[B] Theoretical
[C] Applied
[D] Inferential
41. _____statistics comprises descriptive statistics and the application of inferential statistics.
[A] Descriptive
[B] Theoretical
[C] Applied
[D] Inferential
42. ______statistics concerns both the logical arguments underlying justification of approaches to statistical inference, as well encompassing mathematical statistics.
a) Descriptive
b) Theoretical
c) Applied
d) Inferential
43. Which of the following is limitation of statistics?
a) Statistics present the facts in proper form.
b) Statistics simplify unwieldy and complex data and to
make them easily understandable.
c) Statistics helps in classification of data.
d) Statistical laws are not exact. On the basis of
statistical analysis of the problem, one can talk only in terms of
probability and not certainty.
44. Which of the following is not function of statistics?
a) Statistics study the relationships between different
phenomena.
b) Statistics indicate trend behavior.
c) Statistical results are true only on an
average
d) Statistics measure uncertainty.
45. Primary data for the research process can be collected through _______.
a) Experiment
b) Published source
c) Unpublished source
d) News paper
46. The data collected from published reports is known as:
a) Discrete data
b) Arrayed data
c) Secondary data
d) Primary data
47. A survey in which information is collected from each and every individual of the population is known as:
a) Sample survey
b) Pilot survey
c) Biased survey
d) Census survey
48. Data used by an agency which is originally collected them are:
a) Primary data
b) Raw data
c) Secondary data
d) Grouped data
49. Which form of data below can usually be obtained more quickly and at a lower cost than the others?
a) Primary
b) Survey research
c) Experimental research
d) Secondary
50. Secondary data are ________.
a) Collected mostly via surveys
b) Expensive to obtain
c) Never purchased from outside suppliers
d) Not always very usable
51. Secondary data consists of information ________.
a) That already exists somewhere and was collected
for another purpose
b) Used by competitors
c) That does not currently exist in an organized
form
d) That already exists somewhere and is outdated
52. Which method could a marketing researcher use to obtain information that people are unable to provide?
a) Focus groups
b) Personal interviews
c) Questionnaires
d) Observational research
53. Which of the following is primary data?
a) Census of population data
b) Wholesale price Index numbers.
c) Statistics contain in an official publication such as
the Reserved Bank of India Bulletin.
d) Data collected through your own field.
54. In case of a rail accident, the appropriate method of data collection is
a) Direct Personal Investigation
b) Indirect Oral Investigation
c) Questionnaire sent through enumerators
d) Schedule send through enumerators
55. The ______data should be used after careful scrutiny.
a) primary data
b) secondary data
c) ungrouped data
d) raw data
56. Which of the below is not secondary data.
a) Estimate of personal income taken from R.B.I.
bulletin.
b) Data collected by sample survey.
c) Tabulation from schedules used in interviews
that you yourself conducted.
d) Data from annual report of the Ministry of Law
57. The data collected from published reports is known as:
a) Discrete data
b) Arrayed data
c) Secondary data
d) Primary data
58. Which of the following is method of collecting primary data?
a) Published source
b) Information from correspondence.
c) Unpublished source
d) Official publication of semi-government
organization
59. Data on number of units demanded of particular product, are
a) Qualitative data
b) Discrete data
c) Continuous data
d) Categorical data
60. The data which are collected for the first time by/for an investigator for his purpose is known as _______.
a) Qualitative data
b) Discrete data
c) Primary data
d) Secondary data
61. The data which has been already been collected by someone else but used by investigator for his purpose is known as ________.
a) Qualitative data
b) Discrete data
c) Primary data
d) Secondary data
62. If an investigator himself fills the form of questions by asking face to face questions to informants, it will be called ______
a) Schedule
b) Questionnaire
c) Observations
d) Secondary data
63. If an investigator sending the form of questions to the informant and informant himself fills the form and sends it back, it will be called________
a) Schedule
b) Questionnaire
c) Observations
d) Secondary data
64. Which of the following method of primary data collection requires the informant should be literate?
a) Direct personal investigation
b) Information from correspondents
c) Mailed questionnaire method
d) Schedule send through enumerators
65. Which of the following method of primary data collection can be used if study area is narrow and accuracy is important?
a) Direct personal investigation
b) Information from correspondents
c) Mailed questionnaire method
d) Schedule send through enumerators
66. _________ is the process of arranging data into sequence and groups according to their common characteristics, or separating them into different but related parts.
a) Classification
b) Tabulation
c) Collection of data
d) Analysis of data
67. Which of the following is not base of classification?
a) Geographical classification
b) Chronological classification
c) Qualitative classification
d) Weighted classification
68. The population of certain country for different years is an example of ______ classification
a) Geographical classification
b) Chronological classification
c) Qualitative classification
d) Quantitative classification
69. The yield of agriculture output per hectare for different countries in some given period is an example of ______ classification.
a) Geographical classification
b) Chronological classification
c) Qualitative classification
d) Quantitative classification
70. If the data are classified into only two classes with respect to an attribute like presence or absence, the classification is called ________.
a) Geographical classification
b) Manifold classification
c) Simple classification
d) Quantitative classification
71. If the given population is divided into classes on the basis of simultaneous study of more than one attributes at a time, then also it is termed as________.
a) Geographical classification
b) Manifold classification
c) Simple classification
d) Quantitative classification
72. For the attribute intelligence the various classes may be, Genius, Very intelligent, average intelligent, below average and dull is an example of _________ classification.
a) Geographical classification
b) Manifold classification
c) Simple classification
d) Quantitative classification
73. Qualitative Character is called_____
a) Attribute
b) Variable
c) Constant
d) Discrete variable
74. Chronological classification is also called ___________.
a) Time Series
b) Variable
c) Constant
d) Attribute
75. Before using Secondary data one has to check for ___________.
a) accuracy
b) reliability
c) Suitability
d) All of these
76. Quantitative character is called______
a) Attribute
b) Variable
c) Constant
d) Categorical variable
77. ‘Number of train arrived at platform on particular day’ is an example of ______
a) Attribute
b) Discrete Variable
c) Continuous variable
d) Categorical variable
78. 'Temperature of city in particular month' is an example of _____________
a) Attribute
b) Discrete Variable
c) Continuous variable
d) Categorical variable
79. A study of quantitative classification is term as ___________
a) Tabulation
b) Graph
c) Diagram
d) Frequency distribution
80. In tabulation, source of the data, if any, is shown in the _______
a) Source note
b) Body
c) Caption
d) Stub
81. The vital part of the table is called __________
a) Title
b) Body
c) Caption
d) Stub
82. The logical listing of related quantitative data in vertical columns and horizontal rows of numbers is called _______
a) Tabulation
b) Data collection
c) Graphical presentation
d) classification
83. Which of the following is not essential part of statistical table?
a) Body
b) Stub
c) Caption
d) Attribute
84. Row heading in statistical table is term as_________
a) Body
b) Stub
c) Caption
d) Attribute
85. Column heading in statistical table is term as ______
a) Body
b) Stub
c) Caption
d) Attribute
86. Actual numerical information can be presented in ______part of statistical table.
a) Body
b) Stub
c) Caption
d) Attribute
87. _________gives explanation about the data contained in the major part of the table and it is placed below the title of the table. Generally it is put in brackets.
a) Stub
b) Caption
c) Foot note
d) Head note
88. _______is must in Tabulation if the secondary data are used.
a) Classification
b) Frequency distribution
c) Source note
d) Head note
89. Table cannot be classified as
a) Primary table
b) Simple table
c) Complex table
d) Special purpose table
90. _______gives information about two interrelated characteristics of a particular phenomenon.
a) Primary table
b) Secondary table
c) Two way table
d) Simple table
91. Table showing “contribution for a college trip according faculty wise Members: Students, non-teaching staff, teaching staff Gender: Male and Female Faculty: Commerce, Science, Arts” is ____
a) Complex table and Special purpose table
b) Three way table and General purpose table
c) Three way table and Special purpose table
d) Simple table and General purpose table
92. Table used to find normal probability is _______table.
a) Special purpose
b) General purpose
c) Primary
d) secondary
93. Frequency distribution of two variables is called______
a) Univariate frequency distribution
b) Bivariate frequency distribution
c) Manifold frequency distribution
d) Secondary frequency distribution
94. For a sample of size 50 how many classes can be constructed?
a) 2
b) 4
c) 5
d) 6
95. If Second and Fourth Central Moments of a distribution are 4 and 16 respectively then the distribution is said to be ___________.
[A] meso kurtic
[B] lepto kurtic
[C] platy kurtic
[D] normal
96. ____________ is also known normal curve.
[A] meso kurtic
[B] lepto kurtic
[C] platy kurtic
[D] Ogive curve
97. If an observation in a series is negative its G.M. will _____.
[A] negative
[B] undefined
[C] 0
[D] none of the above
98. In a moderately asymmetrical distribution, the values of mode and median are 20 and 24 respectively. Then the value of mean is ______.
[A] 20
[B] 24
[C] 28
[D] 26
99. A.M. and H.M of two observations is 25 and 9 respectively then G.M. is ______.
[A] 15
[B] 20
[C] 34
[D] 17
100. Sum of square of deviation of observation is minimum if it is taken from _____.
[A] median
[B] 0
[C] mode
[D] mean
101. A.M = G.M. = H.M if _______.
[A] all observation are equal.
[B] atleast one observation is one.
[C] only variable as two observations.
[D] all observations are in ascending order
102. The mean of 10 observations is 20 and median is 15. If 5 is added to each observation, the new mean is ______ and Median is ________.
[A] 25, 20
[B] 25, 15
[C] 20, 20
[D] 20, 15
103. The mean of 10 observations is 20 and standard deviation is 15. If 5 is added to each observation, the new mean is ______ and standard deviation is ________.
[A] 25, 20
[B] 25, 15
[C] 20, 20
[D] 20, 15
104. The range of 20 observations is 30. If each observation is multiplied by 2 then the range is ___.
[A] 15
[B] 60
[C] 30
[D] 10
105. The mode and range of 20 observations is 30 and 30.
If each observation is multiplied by 2 then
the range is ___.
[A] 30, 30
[B] 60, 60
[C] 30, 60
[D] 60, 30
106. If the first quartile is 142 and the semi-inter quartile range is 18, then Upper quartile is ______.
[A] 160
[B] 151
[C] 178
[D] 124
107. In a distribution ‘the difference of the lower and upper quartiles is 15 and their sum is 35. The median is 20, then coefficient of skewness is _____.
[A] 0.33
[B] 1
[C] -1
[d] -0.33
108. The first two moment of distribution about origin are 1, 4 then mean and standard deviation are ______ and ______.
[A] 3, 4
[B] 1, 2
[C] 3, 1.732
[D] 1, 1.732
109. For distribution, the mean is 10, variance is 16 and β2 is 2 then fourth central moment is ____.
[A] 1024
[B] 64
[C] 256
[D] 512
110. For distribution, the mean is 10, variance is 9, β1 is +1 then third central moment is _______.
[A] 80
[B] 900
[C] 27
[D] 729
111. Average rate of growth of population per decade can be obtained by _________.
[A] arithmetic mean
[B] geometric mean
[C] harmonic mean
[D] median
112. Average speed of a typist can be obtained by __________.
[A] arithmetic mean
[B] geometric mean
[C] harmonic mean
[D] median
113. ______cannot be used if one of the observation is zero.
[A] Mean
[B] Median
[C] Range
[D] Geometric mean
114. If 25% of items in a distribution are less than 10 and 25% are more than 40, then the quartile deviation is _________.
[A] 1
[B] 40
[C] 10
[D] 15
115. Bowley’s coefficient of skewness lies between _________.
[A] -1 and +1
[B] 0 and +1
[C] -1 and +3
[D] -3 and +3
116. For arbitrary value, first raw moment is 7 and mean of the distribution is 10.
[A] 5
[B] 3
[C] 7
[D] 17
117. The mean of 9 observations is 50 Latter one observation 60 is added. The new mean is ________.
[A] 50
[B] 60
[C] 51
[D] 61
118. The mean of 50 observations is 10 and the sum of their squares is 6,000. The variance of the data is _________ .
[A] 12
[B] 20
[C] 4.47
[D] 10
119. The coefficient of variance is 15 % and the mean of series is 40 then standard deviation is ______.
[A] 3
[B] 37.5
[C] 4
[D] 6
120. ___________ depends on change of origin and scale both.
[A] Arithmetic mean
[B] Standard deviation
[C] Moments
[D] Range
121. The arithmetic mean of first 195 natural number is ___________.
[A] 105
[B] 98
[C] 91
[D] 100
122. __________ measure of dispersion is least affected by presence of extreme values.
[A] Range
[B] Mean deviation
[C] Standard deviation
[D] Quartile deviation
123. ___________ measure is based on only the central fifty percent of the observations.
[A] Standard deviation
[B] Quartile deviation
[C] Mean deviation
[D] Range
124. The most commonly used measure of dispersion is ____________.
[A] Standard deviation
[B] Quartile deviation
[C] Mean deviation
[D] Range
125. ___________measure of dispersion is capable of further mathematical properties.
[A] Standard deviation
[B] Quartile deviation
[C] Mean deviation
[D] Range
126. If the profits of a company remains the same for the last ten months, then the standard deviation of profits for these ten months would be ?
[A] Positive
[B] Negative
[C] Zero
[D] One
127. If the SD of the 1st n natural numbers is 2, then the value of n must be ________ .
[A] 2
[B] 7
[C] 6
[D] 5
128. For the two groups with 30 and 20 observations with respective mean 55 and 60, the combined mean will be __________.
[A] 56
[B] 57
[C] 5 8
[D] 59
129. Which of the following statements is wrong?
[A] Mean is rigidly defined
[B] Mean is not affected due to sampling
fluctuations
[C] Mean has some mathematical properties
[D] Mean is easy to compute
130. In case of an even number of observations which of the following is median?
[A] Any of the two middle-most value
[B] The simple average of two middle most values
[C] The weighted average of these two middle values
[D] The difference of two middle most value
131. ________ of the following is not uniquely defined.
[A] Mean
[B] Median
[C] Mode
[D] Geometric mean
132. Weighted averages are considered when ________
[A] The data are not classified
[B] The data are put in the form of grouped frequency
distribution
[C] All the observations are not of equal
importance
[D] Both [A] and [C]
133. When a firm registers both profits and losses, __________measure of central tendency cannot be considered?
[A] AM
[B] GM
[C] Median
[D] Mode
134. What is the value of the first quartile for observations 15, 18, 10, 20, 23, 28, 12 ?
[A] 10
[B] 12
[C] 12.75
[D] 15
135. The third decile for the numbers 15, 10, 20, 25, 18, 11, 9, 12 , 12 is ______.
[A] 13
[B] 20
[C] 11
[D] 12
136. If the AM and GM for 10 observations are both 15, then the value of HM is
[A] Less than 15
[B] More than 15
[C] 15
[D] Cannot be determined.
137. if the frequency curve has longer tail to right the distribution is known as ________ skewed distribution.
[A] positively
[B] negatively
[C] zero
[D] normal
138. if the frequency curve has longer tail to left the
distribution is known as ________ skewed distribution.
[A] positively
[B] negatively
[C] zero
[D] normal
139. For the __________distribution, curve falls evenly on both sides from the highest peak.
[A] positively
[B] negatively
[C] symmetric
[D] normal
140. Coefficient of Skewness is positive for distribution of height of plant implies ___________.
[A] more number of plants having lower height.
[B] more number of plants having higher
height.
[C] plants are evenly distributed over heights
[D] all plants of same height
141. Coefficient of Skewness is negative implies ___________ of the variable.
[A] more concentration on lower values.
[B] more concentration on higher values.
[C] more concentration on middle most value
[D] more concentration on all values
142. The mode and range of 20 observations is 30 and 30. If 5 is added to each observation then the mode and range is _________.
[A] 30, 30
[B] 35, 30
[C] 30, 35
[D] 35, 35
143. Class width (class limit) is calculated as
a) Maximum observation –minimum observation
b) (Maximum observation –minimum observation)/2
c) (Maximum observation –minimum
observation)/number of classes
d) (Maximum observation +minimum observation)/2
144. For a certain data set Maximum observation is 56, minimum observation is 12 and 5 classes to be constructed, then appropriate class interval is _______
a) 34
b) 22
c) 9
d) 10
145. The classes in which both the upper and lower limit are included in the class are called ______classes.
a) Inclusive
b) Exclusive
c) Open end
d) mixed
146. The classes in which lower limit is included and upper limit is excluded from the class are called ___classes.
a) Inclusive
b) Exclusive
c) Open end
d) mixed
147. If the lower limit of the first class or the upper limits of the last class are not specified then the frequency distribution is called______.
a) Ungrouped frequency distribution
b) Open end frequency distribution
c) Grouped frequency distribution
d) Unequal classed frequency distribution.
148. The classes 0-10, 10-25, 25-40, 40-50 is an example of _____.
a) Ungrouped frequency distribution
b) Open end frequency distribution
c) Grouped frequency distribution
d) Unequal classed frequency distribution.
149. Relative frequency is obtained by _______
a) Frequency of class/Class interval
b) Frequency of class/ Total frequency
c) Frequency of class × Class interval
d) Frequency of class × Total frequency
150. Frequency distribution cannot be graphically presented by _____
a) Histogram
b) Frequency polygon
c) Frequency curve
d) Pie chart
151. Frequency density is calculated by_______
a) Frequency of class/Class interval
b) Frequency of class/ Total frequency
c) Frequency of class × Class interval
d) Frequency of class × Total frequency
152. With the help of histogram _________can be located graphically.
a) Mean
b) Median
c) Mean and Median
d) Mode
153. With the help of Ogive _________can be located graphically.
a) Mean
b) Median
c) Mean and Median
d) Mode
154. For drawing Frequency curve and Frequency polygon _______should be taken on X-axis.
a) Class limits
b) Class boundaries
c) Mid values of classes
d) Upper limits of classes
155. For drawing Histogram ________ should be taken on X-axis.
a) Class limits
b) Lower limits of classes
c) Mid values of classes
d) Upper limits of classes
156. For drawing Histogram for unequal classes frequency distribution __________ should be taken on Y-axis.
a) Frequencies
b) Relative frequencies
c) Frequency density
d) Class limits
157. Less than cumulative values are plotted against _________in Ogive.
a) Class limits
b) Lower limits of classes
c) Mid values of classes
d) Upper limits of classes
158. More than cumulative values are plotted against_______in Ogive
a) Class limits
b) Lower limits of classes
c) Mid values of classes
d) Upper limits of classes
159. In _________ successive class frequencies are added from top to bottom.
a) Relative frequency
b) Frequency density
c) Less than type cumulative frequency
d) More than type cumulative frequency
160. In _________ successive class frequencies are added bottom to top.
a) Relative frequency
b) Frequency density
c) Less than type cumulative frequency
d) More than type cumulative frequency
161. If the given population is divided into classes on the basis of simultaneous study of more than one attributes at a time, then also it is termed as ____________.
a) manifold classification
b) simple classification
c) one way classification
d) quantitative classification
162. The midpoint of the class 62-68 is ____________
a) 66
b) 65
c) 63
d) 64
163. The class width of the class 34-48 is _________
a) 7
b) 12
c) 8
d) 14
164. For frequency distribution with classes 8-13, 14-19, 20-25 and so on the lower class boundary for class 14-19 is __________.
a) 6
b) 14.5
c) 14
d) 13.5
165. For the data if maximum observation is 86 and minimum observation is 23 and number of classes to be taken is 7 then class width of frequency distribution is ___________.
a) 10
b) 7
c) 9
d) 8
166. For frequency distribution with classes 8-13, 14-19, 20-25 and so on, the class 8 - 13 will include observation _________.
a) 8
b) 13
c) 8 and 13
d) 14
167. For frequency distribution with classes 8-16, 16-24, 24-32 and so on, the class 16-24 will exclude observation _________.
a) 16
b) 24
c) 16 and 22
d) 22
168. For frequency distribution with classes 12-16, 16-32, 32-40 and 40-56, if class 16-32 has frequency 48 then frequency density of the class is ______.
a) 48
b) 24
c) 12
d) 3
169. Measure of central tendency which can be graphically located with the help of Histogram is _____.
[A] mode
[B] median
[C] mean
[D] quartile
170. Relative measures of Dispersion are ______.
[A] Free from unit of measurements.
[B] Ratio of absolute measure of dispersion and location
measure.
[C] Used for comparison.
[D] All of the above.
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