In demographic terminology, 'Morbidity' refers to: MCQ with Answer and Explanation

In demographic terminology, 'Morbidity' refers to:

A. Migration rates

B. Death rates

C. Birth rates

D. Sickness or disease rates

Answer: Option D

Morbidity describes the incidence or prevalence of a disease or illness within a population.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Consider attributes: Vaccination (A) and Immunity (B). If (AB) = 150, (A) = 200, (B) = 300, N = 500, what type of association exists?

A. Negative Association

B. Independent

C. Positive Association

D. Inconsistent Data

Correct Answer: Option C

Explanation:
Expected (AB) if independent = (200*300)/500 = 120. Actual (AB) = 150. Since Actual > Expected, the association is positive.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

If Laspeyres' index is 121 and Paasche's index is 100, Fisher's index is:

A. 100

B. 110

C. 110.5

D. 121

Correct Answer: Option B

Explanation:
Fisher's = square root of (Laspeyres * Paasche) = sqrt(121 * 100) = sqrt(12100) = 110.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Two dice are rolled. Probability that the sum is 7 or 11 is:

A. 7/36

B. 1/6

C. 2/9

D. 5/36

Correct Answer: Option C

Explanation:
Ways for sum 7: 6; for sum 11: 2. Total favorable = 8. Probability = 8/36 = 2/9.

This question belongs to: Accountancy and Statistics Statistics