Infant mortality rate and life expectancy at birth are generally: MCQ with Answer and Explanation

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Infant mortality rate and life expectancy at birth are generally:

A. Equal

B. Uncorrelated

C. Positively correlated

D. Negatively correlated

Answer: Option D

Solution (By JKSSB Mock Tests)

Higher IMR is associated with lower life expectancy.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

In a mail survey, which technique can help increase the response rate?

A. Providing a cover letter explaining the study's importance

B. Eliminating follow-up reminders

C. Making the questionnaire extremely long

D. Using complex wording

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Correct Answer: Option A

Explanation:
A well-written cover letter that explains the purpose and assures confidentiality can motivate respondents to participate.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If P(A)=0.4, P(B)=0.5, and A and B are independent, then P(A∪B) is:

A. 0.7

B. 0.5

C. 0.9

D. 0.2

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Correct Answer: Option A

Explanation:
0.4+0.5 - (0.4×0.5)=0.9-0.2=0.7.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which of the following is an example of a leading question?

A. List three improvements you would suggest.

B. What is your age?

C. How often do you exercise?

D. Do you agree that the new policy is beneficial?

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Correct Answer: Option D

Explanation:
It suggests that the policy is beneficial, leading the respondent to agree.

This question belongs to: Accountancy and Statistics Statistics

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