If the arithmetic mean of 7 numbers is 12, the sum of these numbers is: MCQ with Answer and Explanation

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If the arithmetic mean of 7 numbers is 12, the sum of these numbers is:

A. 84

B. 19

C. 7

D. 12

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum = mean × n = 12 × 7 = 84.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

What is the order of the class frequency denoted by (A)?

A. Ultimate order

B. First order

C. Second order

D. Zero order

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Correct Answer: Option B

Explanation:
The order of a class frequency depends on the number of attributes it involves. (A) involves one attribute, making it first order.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The wholesale price index in India is a:

A. Cost of living index

B. Price index for goods traded at the wholesale level

C. Index of industrial production

D. Consumer price index

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Correct Answer: Option B

Explanation:
WPI measures wholesale price movements of goods.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Two dice are rolled. The probability of getting a doublet (same number on both) is:

A. 5/36

B. 1/36

C. 1/12

D. 1/6

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Correct Answer: Option D

Explanation:
Doublets: (1,1),(2,2),...,(6,6) = 6 out of 36 = 1/6.

This question belongs to: Accountancy and Statistics Statistics

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