The median of 3, 7, 1, 9, 5 is: MCQ with Answer and Explanation

The median of 3, 7, 1, 9, 5 is:

A. 9

B. 7

C. 5

D. 4

Answer: Option C

Ordered: 1, 3, 5, 7, 9. Median = 5.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Which of the following is true about the mode?

A. Always less than mean

B. Always unique

C. Always equal to median

D. Can be more than one

Correct Answer: Option D

Explanation:
A distribution can be bimodal or multimodal.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The mode can be found graphically by:

A. Pie chart

B. Histogram

C. Bar diagram

D. Ogive

Correct Answer: Option B

Explanation:
The modal class is the tallest bar in a histogram.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In a binomial distribution with n=4 and p=1/2, the probability of exactly 2 successes is:

A. 1/2

B. 3/8

C. 1/4

D. 1/16

Correct Answer: Option B

Explanation:
C(4,2)×(1/2)^2×(1/2)^2 = 6×1/4×1/4=6/16=3/8.

This question belongs to: Accountancy and Statistics Statistics