For a perfectly symmetrical distribution, the mean, median, and mode are: MCQ with Answer and Explanation

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For a perfectly symmetrical distribution, the mean, median, and mode are:

A. Mean > Median > Mode

B. Different

C. Equal

D. Mode > Median > Mean

Answer: Option C

Solution (By JKSSB Mock Tests)

In a symmetric distribution, the measures of central tendency coincide.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

An index number that does not use weights is called:

A. Fisher index

B. Weighted index

C. Laspeyres index

D. Simple index

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Correct Answer: Option D

Explanation:
Simple index numbers give equal importance to all items.

This question belongs to: Accountancy and Statistics Statistics

Question #2

General fertility rate (GFR) is defined as:

A. Births per 1000 women aged 15-49

B. Births per 1000 married women

C. Children per woman

D. Births per 1000 population

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Correct Answer: Option A

Explanation:
GFR = (Live births / Women 15-49) × 1000.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The key difference between a questionnaire and a schedule is that:

A. Schedules are used for primary data only, while questionnaires are for secondary data

B. In a schedule, the enumerator fills the form based on respondent answers, whereas in a questionnaire, the respondent self-completes it

C. Questionnaires are always mailed, while schedules are always administered in person

D. Questionnaires collect qualitative data only, while schedules collect quantitative data only

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Correct Answer: Option B

Explanation:
A schedule is completed by an enumerator who records responses during an interview, while a questionnaire is typically self-administered by the respondent, affecting data collection dynamics.

This question belongs to: Accountancy and Statistics Statistics

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