The mean deviation of the observations 3, 5, 9, 1 and 2 about their median is

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Question:

The mean deviation of the observations 3, 5, 9, 1 and 2 about their median is

A.

2.4

B.

2.2

C.

3

D.

2.8

Answer» b. 2.2

Note: The above multiple-choice question is for all general and Competitive Exams in India.