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13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 3.1, Problem 11E

Textbook Problem

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According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instructional duties (NEA website, April 2012). The following data show the number of hours worked per week for a sample of 13 high school science teachers and a sample of 11 high school English teachers.

- a. What is the median number of hours worked per week for the sample of 13 high school science teachers?
- b. What is the median number of hours worked per week for the sample of 11 high school English teachers?
- c. Which group has the higher median number of hours worked per week? What is the difference between the median number of hours worked per week?

**a.**

To determine

Find the median number of hours worked per week for the sample of 13 high school science teachers.

**Calculation:**

The given information is that the data represents the number of hours worked per week for a sample of 13 high school science teachers and a sample of 11 high school English teachers.

Median:

- If the data set consists of odd number of entries, then the median is the middle value of the data.
- If the data set consists of even number of entries, then the median is the mean of the middle values in the data set...

**b.**

To determine

Find the median number of hours worked per week for the sample of 11 high school English teachers.

**c.**

To determine

Identify which group has the higher median number of hours worked per week and find the difference between the median numbers of hours worked per week.

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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