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Chapter 2: Q. 60 (page 136)

Are the mean and the median the exact same in this distribution? Why or why not?

Short Answer

Expert verified

Yes, the mean and median are exactly same in this distributionmean=median=5

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=10621Mean=5

Median=(21+12)Median=11thterm

Cumulative frequency lies in x=5

Therefore, mean is equal to median.

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Most popular questions from this chapter

Listed are 32ages for Academy Award winning best actors in order from smallest to largest. 18;18;21;22;25;26;27;29;30;31;31;33;36;37;37;41;42;47;52;55;57;58;62;64;67;69;71;72;73;74;76;77a. Find the percentile of 37.

b. Find the percentile of 72.

On an exam, would it be more desirable to earn a grade with a high or low percentile? Explain

Use the following information to answer the next nine exercises: The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976鈥�1977 through 2004鈥�2005.

鈥� 渭 = 1000 FTES

鈥� median = 1,014 FTES

鈥� 蟽 = 474 FTES

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鈥� third quartile = 1,447.5 FTES

鈥� n = 29 years

75% of all years have an FTES:

a. at or below: _____

b. at or above: _____

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