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Chapter 3: Q. 4 (page 151)

Identify the most appropriate measure of variation corresponding

to each of the following measures of center.

a. Mean

b. Median

Short Answer

Expert verified

a. The most appropriate measure of variation corresponding to the mean is the standard deviation.

b. The most appropriate measure of variation corresponding to the median is Interquartile Range (IQR).

Step by step solution

01

Part a. 

The most appropriate measure of variation corresponding to the mean is the Standard deviation because the mean and the standard deviation both do not have any resistance.

02

Part b.

The most appropriate measure of variation corresponding to the median is Interquartile Range (IQR) as the median and the IQR are both resistant.

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Most popular questions from this chapter

We have provided simple data set for you to practices the basics of finding measures of center. For each data set determine the:

a) Mean

b)Median

c) Mode.

The given data set is1,2,4,4.

We have provided simple data set for you to practices the basics of finding measures of center. For each data set determine the:

a) Mean

b)Median

c) Mode.

The given data set is:2,5,0,-1

The data set has 250observations and has mean 100and standard deviation 16. Approximately how many observations lie between 52and 148.


The data set has mean15and standard deviation 2. Approximately what percentage of the observations lie between 13and 17?

Explain why minimum and maximum observations are added to the three quartiles to describe better the variation in a data set.
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