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Which of the following diagram is used to represent the monthly expenditure of different
items consumed by a family?

(^) Histogram (B) Multiple Bar diagram
(C) Pie diagram (D) Allof the above

Which measure of central tendency is most affected by extreme values?
(A) Arithmetic mean (B) Median
(C) Mode (D) Allof the above

For a positive skewed distribution, the relation between mean, median and mode is :
(A) Mean > Mode > Median (B) Median > Mean > Mode
(C) Mean > Median > Mode (D) None of these

The measures used to calculate the variation present among the observations in the unit of
the variable is called The measures used to calculate the variation present among the
observations in the unit of the variable is called Which measure is used to calculate the
variation among observations in the unit of the variable?

(A) Coefficient of variation (B) Variance

(C) Coefficient of skewness (D) All of the above

If X~ N(0,1) and ए = 22, then Cov (X,Y) is:
(A) +1 ൯ -1
(0 0 (0) 0.5

If most of the points lie in the first and third quadrants of a scatter diagram then coefficient
of correlation is :

(A) Positive (B) Negative
(C) 0 ൯) 21 വ്‌ the above

A measure which examines the association between a dependent variable and an
independent variable after factoring out the effect of other independent variables is :

(ಸಿ) Correlation coefficient (B) Multiple correlation coefficient

(C) Partial correlation coefficient (D) None of these

A measure used to study the possible presence of multicollinearity is:
(A) Durbin — Watson statistic ൯) Residual Plot
(C) Correlation matrix ൯) All of the above

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