The difference between the upper limit and the lower limit of a class interval is called: MCQ with Answer and Explanation

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The difference between the upper limit and the lower limit of a class interval is called:

A. Class mark

B. Class boundary

C. Magnitude or Width of the class

D. Class frequency

Answer: Option C

Solution (By JKSSB Mock Tests)

The magnitude or width is the size of the class interval, calculated as Upper Limit - Lower Limit.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Which of the following statements about Laspeyres and Paasche indices is correct?

A. Laspeyres uses current period quantities, Paasche uses base period quantities.

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

C. Paasche index satisfies the time reversal test.

D. Laspeyres index tends to understate price increase, Paasche overstates.

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Correct Answer: Option B

Explanation:
Fisher = √(L×P). L uses base quantities, P uses current quantities. L overstates, P understates. Neither L nor P satisfies time reversal.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The Total Fertility Rate (TFR) is expressed as:

A. Percentage

B. Live births per 1000 women

C. Children per woman

D. Daughters per woman

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Correct Answer: Option C

Explanation:
TFR is the average number of children a woman would have.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Perinatal Mortality Rate is a key indicator for:

A. Environmental pollution levels

B. Effectiveness of maternal and newborn health interventions around childbirth

C. Economic growth

D. Educational attainment

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Correct Answer: Option B

Explanation:
Perinatal mortality reflects the quality of antenatal care, skilled attendance at birth, and immediate newborn care, making it a sensitive measure for evaluating maternal-child health programs.

This question belongs to: Accountancy and Statistics Statistics

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