If each value in a dataset is increased by 10, which of the following measures remains unchanged? MCQ with Answer and Explanation

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If each value in a dataset is increased by 10, which of the following measures remains unchanged?

A. Range

B. First quartile

C. Median

D. Mean

Answer: Option A

Solution (By JKSSB Mock Tests)

Range depends on difference between max and min; both increase by 10, so range unchanged.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

A histogram is used for representing:

A. Continuous frequency distribution

B. Discrete data

C. Qualitative data

D. Cumulative frequencies

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Correct Answer: Option A

Explanation:
Histogram is for continuous data, with adjacent bars touching.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In a distribution, the mode is 30, median 32, mean 34. The distribution is:

A. Leptokurtic

B. Positively skewed

C. Negatively skewed

D. Symmetric

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Correct Answer: Option B

Explanation:
Mean > Median > Mode indicates positive skewness.

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Question #3

For two attributes, if (AB)=20, (Aβ)=30, (αB)=10, (αβ)=40, then N is:

A. 100

B. 110

C. 80

D. 90

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Correct Answer: Option A

Explanation:
N = 20+30+10+40 = 100.

This question belongs to: Accountancy and Statistics Statistics

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