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Introduction to a Median

The annual ra...

Question

The annual rainfall in Seattle over the last 7 years is listed below. What is the median rainfall?

A

40.12 inches

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B

39.2 inches

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C

37.49 inches

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D

38.21 inches

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Solution

The correct option is B 39.2 inches
Median is the middle value of a numerically ordered data set.

Arranging the data in ascending order, we get:
36.54, 37.49, 38.21, 39.2, 39.34, 40.12, 40.43.

Since the total number of data points is odd, the median is the middle value of the data set arranged in ascending order.

Thus, the median of the given data set is 39.2.

Hence, the median rainfall is 39.2 inches.

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