If the Arithmetic Mean is 50 and the number of items is 10, the sum of all items is: MCQ with Answer and Explanation

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If the Arithmetic Mean is 50 and the number of items is 10, the sum of all items is:

A. 5

B. 50

C. 500

D. 100

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum = Mean × N = 50 × 10 = 500.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Tabulation should ideally present data in a way that:

A. Maximizes the number of decimal places

B. Includes all raw data points

C. Uses complex statistical jargon in headings

D. Facilitates comparison and highlights key patterns

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Correct Answer: Option D

Explanation:
Effective tabulation organizes data clearly with appropriate headings, totals, and formatting to enable easy comparison, trend identification, and accurate interpretation by users.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The condition that the ultimate class frequencies must be non-negative ensures:

A. Independence

B. Consistency of data

C. Association

D. Positive association

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Correct Answer: Option B

Explanation:
Consistency requires all ultimate frequencies to be ≥ 0, otherwise the data contain contradictions.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a random experiment, an event consisting of a single outcome is called:

A. Sure event

B. Null event

C. Compound event

D. Simple event

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Correct Answer: Option D

Explanation:
An elementary or simple event contains exactly one sample point.

This question belongs to: Accountancy and Statistics Statistics

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