Which of the following is a measure of dispersion? MCQ with Answer and Explanation

Which of the following is a measure of dispersion?

A. Mode

B. Median

C. Standard deviation

D. Geometric mean

Answer: Option C

Standard deviation measures spread.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Which principle is violated if a questionnaire contains the question 'What is your income and how many children do you have?'

A. Avoid leading questions

B. Simplicity

C. Proper sequence

D. Avoid double-barreled questions

Correct Answer: Option D

Explanation:
A double-barreled question asks about two different things at once, making it impossible to answer accurately for one part.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

In a set of 10 values, the sum of deviations from 5 is 20 and from 6 is 10. The mean is:

A. 6

B. 8

C. 7

D. 5.5

Correct Answer: Option C

Explanation:
Σ(x-5)=Σx -50=20 → Σx=70. Mean=7. Check: Σ(x-6)=70-60=10, correct.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In a set of numbers, if the geometric mean is zero, then:

A. All numbers are zero

B. At least one number is zero

C. The arithmetic mean is also zero

D. The median is zero

Correct Answer: Option B

Explanation:
GM = 0 if any value is zero.

This question belongs to: Accountancy and Statistics Statistics