Which of the following data collection methods is most suitable when the area of investigation is large and funds are limited? MCQ with Answer and Explanation

Question

Which of the following data collection methods is most suitable when the area of investigation is large and funds are limited?

A. Mailed questionnaire

B. Schedule through enumerators

C. Direct personal interview

D. Observation method

Answer: Option A

Solution (By JKSSB Mock Tests)

Mailed questionnaire is economical and can cover a wide area with limited resources.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If a dataset has a standard deviation of zero, then:

A. Mean is zero

B. All values are equal

C. Data are missing

D. Median is zero

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Correct Answer: Option B

Explanation:
No variation implies all values are identical.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Which of the following is a characteristic of a good index number?

A. It should satisfy the circular test.

B. It should be biased.

C. It should use only current year weights.

D. It should not be based on a basket of items.

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Correct Answer: Option A

Explanation:
Desirable properties include satisfying tests like time reversal, factor reversal, circular.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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In a frequency distribution with unequal class intervals, the heights of rectangles in a histogram are proportional to:

A. Frequency

B. Relative frequency

C. Cumulative frequency

D. Frequency density

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Correct Answer: Option D

Explanation:
When class widths differ, area represents frequency, so height = frequency / width.

This question belongs to: Accountancy and Statistics Statistics

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