Which of the following tests is satisfied by Fisher's ideal index? MCQ with Answer and Explanation

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Which of the following tests is satisfied by Fisher's ideal index?

A. Factor reversal test

B. Both time reversal and factor reversal tests

C. Circular test

D. Time reversal test

Answer: Option B

Solution (By JKSSB Mock Tests)

Fisher index satisfies both time reversal and factor reversal tests.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

The measure 'Child-Woman Ratio' is a:

A. Indirect measure of fertility

B. Measure of migration

C. Direct measure of fertility

D. Measure of mortality

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Correct Answer: Option A

Explanation:
It relates children 0-4 to women 15-49, approximating fertility.

This question belongs to: Accountancy and Statistics Statistics

Question #2

A car travels 60 km/h for the first half of a distance and 40 km/h for the second half. The average speed (km/h) is:

A. 50

B. 52

C. 48

D. 45

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Correct Answer: Option C

Explanation:
Harmonic mean of speeds: 2 / (1/60 + 1/40) = 2 / (5/120) = 240/5 = 48 km/h.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A)=0.7, P(B)=0.6, and P(A∪B)=0.9, then P(A∩B) is:

A. 0.42

B. 0.3

C. 0.4

D. 0.6

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Correct Answer: Option C

Explanation:
P(A∩B) = P(A)+P(B)-P(A∪B) = 0.7+0.6-0.9 = 0.4.

This question belongs to: Accountancy and Statistics Statistics

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