Which average is most drastically affected by extreme outlier values? MCQ with Answer and Explanation

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Which average is most drastically affected by extreme outlier values?

A. Mode

B. Arithmetic Mean

C. Geometric Mean

D. Median

Answer: Option B

Solution (By JKSSB Mock Tests)

Since the Arithmetic Mean includes every single value in its calculation, a massive outlier will heavily pull the mean.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Assertion (A): The probability of an impossible event is zero. Reason (R): The sample space of an impossible event contains all outcomes.

A. A is false but R is true

B. Both A and R are true but R is NOT the correct explanation of A

C. Both A and R are true and R is the correct explanation of A

D. A is true but R is false

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Correct Answer: Option D

Explanation:
A is true, but R is false because the sample space (or favorable outcomes set) of an impossible event is the empty set (Φ).

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The arithmetic mean of first n natural numbers is:

A. (n+1)/2

B. n/2

C. n(n+1)/2

D. 2n+1

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Correct Answer: Option A

Explanation:
Sum = n(n+1)/2, mean = (n+1)/2.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The term 'urban agglomeration' in census refers to:

A. A city with more than 100,000 population

B. A planned satellite town

C. A metropolitan city only

D. An integrated urban area comprising a city and its outgrowths

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Correct Answer: Option D

Explanation:
Urban agglomeration includes a core town and contiguous urban outgrowths, like suburbs.

This question belongs to: Accountancy and Statistics Statistics

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