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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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shaester shaester
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Use the following to answer the questions below:

According to ESPN.com, the average number of yards per game for all NFL running backs with at least 50 attempts in the 2011 season was 49 yards/game. A sample of 20 running backs from the 2011 season averaged 46.54 yards/game.


Two boxplots are shown. One boxplot corresponds to the yards/game for a random sample of running backs. The other boxplot represents the values in a sampling distribution of 1,000 means of yards/game for samples of size n = 20.

A horizontal boxplot is titled, A. The horizontal axis has markings from 30 to 65 in increments of 5. The whiskers of the box plot range from 38 to 60 and the box ranges from 46 to 52 with a median at 49. Three individual dots extend below the lower whiskers at the points, 32.5, 34.9, and 37; and three individual dots extend above the upper whiskers at the points, 51, 61.1, and 62.5. All values are approximate.  
 A horizontal boxplot is titled, B. The horizontal axis has markings from 10 to 100 in increments of 10. The whiskers of the box plot range from 12 to 95 and the box ranges from 30 to 60 with a median at 44. All values are approximate.    

Which boxplot represents the sample? Which boxplot represents the sampling distribution?

▸ Boxplot A is the sampling distribution while Boxplot B is a single sample.

▸ Boxplot B is the sampling distribution while Boxplot A is a single sample.
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
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Kmc14Kmc14
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shaester Author
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2 months ago
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