Business-Statistics-and-Research-Methods MCQs

Commerce Objective Questions

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974. The sum of absolute deviations is minimum if these deviations are taken from the:

D. Upper quartile

975. The critical region of a test of hypothesis is equal to the

A. probability of a correct decision

B. probability of not making a correct decision

C. probability of committing type I error

D. probability of committing type II error

976. Which one of the relation between mode, mean and median can be true?

A. Mean > Median > Mode

B. Mean > Mode > Median

C. Mean < Mode < Median

D. Mean = 3 Median - Mode

977. . . . . . . . . is a true measure of dispersion.

B. Mean deviation

C. Inter-quartile range

D. None of these

978. Statement I: If the alternative hypothesis is as $$\mu \ne {\mu _0}$$ ; a researcher requires two-tailed test in hypothesis-testing.
Statement II: The mean of the sampling distribution of mean is not equal to the parametric value of mean.

A. Both the statements are true

B. Both the statements are false

C. Statement I is true, while Statement II is false

D. Statement I is false, while Statement II is true

979. Which kind of research is conducted to understand and resolve one's own problems?

A. Qualitative research

B. Problem solving research

C. Both A and B

D. None of the above

980.

Class	10 - 25	25 - 40	40 - 55	55 - 70	70 - 85
f	6	20	44	?	3

If the mode of the above distribution is 48.6, then the missing frequency will be

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