FY BCOM SEM1 BUSINESS STATISTICS MCQS

 FY BCOM

MID SEMESTER EXAMINATION

BUSINESS STATISTICS

MCQS - 2013

(1) The sale of umbrella and rainy season are _______ correlated. 

(A) Positively

(B) Negatively 

(C) Inversely 

(D) None of the above

(2) Karl Pearson's Coefficient of Correlation is known as ______

(A) Product moment correlation coefficient

(B) Pearsonion correlation coefficient

(C) Both (a) and (b)

(D) None of the above

(3) The ______ property in regression analysis means that the sign of b_xy, b_yx and r_xy are same.

(A) Special 

(B) Signature

(C) Area

(D) None

(4) The paired values plotted on a graph marked by points lead to _______ diagram.

(A) Scatter 

(B) Both (a) and (b) 

(C) Dot

(D) None 

(5) The variable used for predictions is called _______

(A) Regressed 

(B) Regressor 

(C) Explained 

(D) Dependent variable 

(6) Multiplicative relationship between four components of the time series given by

(A) Y= T x S x C x I

(B) Y = TS x CI

(C) Y = T + S + C + I

(D) All of the above

(7) If the trend is absent in the data then the Seasonal Indices are computed by _______

(A) Ratio to moving average 

(B) Ratio to trend method 

(C) Simple average

(D) None of the above 

(8) Suppose fitted trend line is Y = 85.4 - 2.4X, then trend line exhibit _______ trend.

(A) Increasing 

(B) Decreasing 

(C) Normal 

(D) Parallel 

(9) Changes that have taken place as a result of booms and depressions are classified under the head " _______".

(A) Irregular Variation

(B) Cyclical Variation 

(C) Secular Variation 

(D) Seasonal Variation

(10) The quantity "b" in the regression equation Y = a + bX is called the _______

(A) Regression coefficient

(B) Correlation coefficient 

(C) Slope coefficient

(D) Both (a) and (b)