Business Statistics and Research Methods MCQ Questions and Solutions with Explanations | Commerce

A. range

B. standard deviation

C. coefficient of variation

D. quartile deviation

A. Both (A) and (R) are true and (R) is correct explanation of (A)

B. Both (A) and (R) are true but (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

A. Intercept is zero

B. Regression coefficient is zero

C. Correlation is zero

D. Association is zero

A. Mean absolute value

B. Range

C. Standard deviation

D. All of these

A. Range

B. Mean deviation

C. Standard deviation

D. Quartile deviation

A. Bell-shaped and symmetric

B. Mean, Median and Mode of the distribution are equal

C. The total area under the curve for the normal probability distribution is one

D. The two tails of the distribution in both the directions touches the horizontal axis

A. Class range ÷ Number of classes

B. Class range × Number of classes

C. Class range ÷ Total number of sample

D. None of the above

A. 96

B. 98

C. 100

D. 102

A. must also be in kilograms

B. must be in some unit of weight

C. cannot be in kilograms

D. can be any units

A. Central value and dispersion

B. Central value, dispersion and skewness

C. Central value, dispersion, skewness and Kurtosis

D. None of the above