The median of 5, 3, 8, 10, 12, 15 is: MCQ with Answer and Explanation

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The median of 5, 3, 8, 10, 12, 15 is:

A. 8

B. 9

C. 12

D. 10

Answer: Option B

Solution (By JKSSB Mock Tests)

Ordered: 3,5,8,10,12,15. Even number, median = (8+10)/2 = 9.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Classification of data by attributes such as religion or literacy is called:

A. Geographical classification

B. Chronological classification

C. Qualitative classification

D. Quantitative classification

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Correct Answer: Option C

Explanation:
Qualitative classification groups data based on non-numerical characteristics (attributes), enabling analysis of categorical variables like religion, literacy, or occupation.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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A bag contains 5 white and 3 black balls. Two balls are drawn without replacement. The probability that they are of different colors is:

A. 30/28

B. 15/56

C. 30/56

D. 15/28

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Correct Answer: Option D

Explanation:
P(different) = P(white then black) + P(black then white) = (5/8)(3/7) + (3/8)(5/7) = 15/56 + 15/56 = 30/56 = 15/28. This accounts for both orders of drawing.

This question belongs to: Accountancy and Statistics Statistics