Which of the following statements is true? MCQ with Answer and Explanation

Which of the following statements is true?

A. Fisher's index is the arithmetic mean of Laspeyres and Paasche

B. Fisher's index is the harmonic mean of Laspeyres and Paasche

C. Fisher's index is the median of Laspeyres and Paasche

D. Fisher's index is the geometric mean of Laspeyres and Paasche

Answer: Option D

Fisher's ideal index = √(Laspeyres × Paasche).

This question belongs to: Accountancy and Statistics Statistics

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

Question #1 Report Error

If the occurrence of one event precludes the occurrence of another, the events are:

A. Exhaustive

B. Independent

C. Equally likely

D. Mutually Exclusive

Correct Answer: Option D

Explanation:
Mutually exclusive means disjoint events; if one happens, the other definitively cannot.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

If P(A|B) = 0.4 and P(B) = 0.5, P(A∩B) is:

A. 0.4

B. 0.2

C. 0.8

D. 0.9

Correct Answer: Option B

Explanation:
P(A∩B) = P(A|B) P(B) = 0.4 × 0.5 = 0.2.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Which of the following is a component of population change?

A. Fertility

B. All of the above

C. Mortality

D. Migration

Correct Answer: Option B

Explanation:
Population change is determined by the balance of births, deaths, and net migration.

This question belongs to: Accountancy and Statistics Statistics