The sum of 50 observations is 500; the arithmetic mean is: MCQ with Answer and Explanation

Question

Share Report Error

The sum of 50 observations is 500; the arithmetic mean is:

A. 10

B. 500

C. 5

D. 25

Answer: Option A

Solution (By JKSSB Mock Tests)

Mean = 500 / 50 = 10.

This question belongs to: Accountancy and Statistics Statistics

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1

Share Report

A fixed base index uses:

A. A different base period for each time point

B. Geometric mean of multiple base periods

C. A single, constant base period for all comparisons

D. The immediately preceding period as the base for each calculation

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option C

Explanation:
Fixed base index selects one period as the base (index=100) and expresses all other periods relative to it, enabling consistent long-term trend analysis without base drift.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Share Report

The difference between the birth rate and death rate is called:

A. Growth rate

B. Doubling time

C. Net migration

D. Natural increase

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option D

Explanation:
Natural increase = CBR - CDR (excluding migration).

This question belongs to: Accountancy and Statistics Statistics

Question #3

Share Report

Assertion (A): Harmonic mean is greater than geometric mean for positive numbers. Reason (R): For positive numbers, AM ≥ GM ≥ HM.

A. Both A and R true, and R is correct explanation

B. A is false, R is true

C. Both A and R true, but R is not correct explanation

D. A is true, R is false

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option B

Explanation:
The correct inequality is AM ≥ GM ≥ HM, so HM ≤ GM, thus HM is not greater. So assertion false, reason true.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs