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Chapter 2: Q. 63 (page 137)

Describe the relationship between the mean and the median of this distribution.

Short Answer

Expert verified

Mean=6is equal to median=6.

Step by step solution

01

Content Introduction

The mean is less than the median, which is frequently less than the mode, if the data distribution is skewed to the left. The median = the mean if the data distribution is symmetric.

02

Content Explanation

The mean is calculated using the below formula:

Mean=鈭�fxN

Mean=9015Mean=6

The median is calculated using the below formula:

Median=sizeofN+12thterm

Median=(15+12)Median=8Cumulativefrequencyis8thwhichliesinx=6

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