A histogram is used for representing: MCQ with Answer and Explanation

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A histogram is used for representing:

A. Discrete data

B. Continuous frequency distribution

C. Qualitative data

D. Cumulative frequencies

Answer: Option B

Solution (By JKSSB Mock Tests)

Histogram is for continuous data, with adjacent bars touching.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If P(A) = 0.2 and P(B) = 0.3, and A, B are mutually exclusive, P(A∪B) is:

A. 0.06

B. 0.1

C. 0.8

D. 0.5

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Correct Answer: Option D

Explanation:
For mutually exclusive events, P(A∪B) = P(A) + P(B) = 0.5.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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In a mailed questionnaire method, the major disadvantage is:

A. Personal contact

B. Low cost

C. High response rate

D. Non-response bias

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Correct Answer: Option D

Explanation:
Mailed questionnaires often suffer from low response rates, leading to non-response bias.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Standardized Death Rate allows comparison by:

A. Applying age-specific rates to a common standard population

B. Focusing only on infant deaths

C. Using the same crude death rate formula for all populations

D. Ignoring age structure entirely

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Correct Answer: Option A

Explanation:
SDR eliminates age structure effects by calculating what the death rate would be if the population had the age distribution of a standard population, enabling unbiased mortality comparisons.

This question belongs to: Accountancy and Statistics Statistics

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