The median of 10 observations arranged in ascending order is 24. If two middle terms are (2x + 1) and (2x + 3), find x.

Topic: Statistics
Subtopic: Median

A10

B11

C12

D13

Explanation

For 10 terms, median is average of 5th and 6th terms: [(2x + 1) + (2x + 3)] / 2 = 24 => (4x + 4) / 2 = 24 => 2x + 2 = 24 => 2x = 22 => x = 11.

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