In a distribution, the mode is 30, median 32, mean 34. The distribution is: MCQ with Answer and Explanation

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

A. Leptokurtic

B. Positively skewed

C. Negatively skewed

D. Symmetric

Answer: Option B

Solution (By JKSSB Mock Tests)

Mean > Median > Mode indicates positive skewness.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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In probability, the sample space for drawing one card from a standard deck has how many outcomes?

A. 52

B. 26

C. 4

D. 13

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Correct Answer: Option A

Explanation:
A standard deck has 52 distinct cards (4 suits × 13 ranks), so the sample space for a single draw contains 52 equally likely elementary outcomes.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Yule's coefficient of association Q is defined as (ad - bc)/(ad + bc), where ad = (AB)×(αβ) and bc = (Aβ)×(αB). This coefficient is also known as:

A. Coefficient of correlation

B. Coefficient of concordance

C. Coefficient of determination

D. Coefficient of colligation

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Correct Answer: Option D

Explanation:
Q is Yule's coefficient of association, also called coefficient of colligation.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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A table that presents data according to two independent characteristics simultaneously is called a:

A. One-way table

B. Simple table

C. Two-way (bivariate) table

D. Manifold table

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Correct Answer: Option C

Explanation:
A two-way table crosses two distinct variables, such as displaying population by both age and gender.

This question belongs to: Accountancy and Statistics Statistics

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