F.Y. B.COM
(1) If the two variables X and Y deviate in ______ direction is said to be Negative correlation.
(A) Same
(B) Left
(C) Right
(D) Opposite
(2) If the plotted points in the Scatter diagram are widely scattered then the correlation between the variables is _______
(A) Poor
(B) High degree
(C) Both
(D) None
(3) The _______ coefficient is independent of change of origin and scale of measurement.
(A) Regression
(B) Correlation
(C) Univariate
(D) All of the above
(4) _______ Analysis is used to forecast the nature of dependent variable when the value of independent variable is known:
(A) Regression
(B) Correlation
(C) Both
(D) None
(5) Regression coefficient of Y on X i.e. byx is given by _______
(A) r
(B) r
(C) bxy
(D) rxy
(6) A rime series consist of data arranged _______
(A) Chronologically
(B) Geographically
(C) Both
(D) None
(7) Secular trend refers to _______ component of time series.
(A) Short term
(B) Long term
(C) Both
(D) None
(8) The trend equation of Annual sales of a steel company is y = 12 - 0.7x then the yearly _______ of the time series is 0.7.
(A) Increment
(B) Decrement
(C) Increase
(D) All of these
(9) Methods used in the study of seasonal variations are _______
(A) Method of simple average
(B) Method of ratio to moving average
(C) Method of ratio to trend
(D) All of the above
(10) The component of time series associated in the increase in garment sales during Diwali is _______
(A) Irregular
(B) Secular
(C) Seasonal
(D) Cyclical
No comments:
Post a Comment