At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 96 miles per hour (mph) and the standard deviation of the serve speeds was 9 mph. Using the z-score approach for detecting outliers, which of the following serve speeds would represent outliers in the distribution of the player's serve speeds? 65, 105, and 114 ☐ 65 is the only outlier. □ They are all outliers None of them. ☐ 65 and 105 are outliers
At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 96 miles per hour (mph) and the standard deviation of the serve speeds was 9 mph. Using the z-score approach for detecting outliers, which of the following serve speeds would represent outliers in the distribution of the player's serve speeds? 65, 105, and 114 ☐ 65 is the only outlier. □ They are all outliers None of them. ☐ 65 and 105 are outliers
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:□ At the U.S. Open Tennis Championship a statistician keeps
track of every serve that a player hits during the
tournament. The statistician reported that the mean serve
speed of a particular player was 96 miles per hour (mph)
and the standard deviation of the serve speeds was 9 mph.
Using the z-score approach for detecting outliers, which of
the following serve speeds would represent outliers in the
distribution of the player's serve speeds? 65, 105, and 114
☐ 65 is the only outlier.
☐ They are all outliers
None of them.
□ 65 and 105 are outliers
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Step 1: Define the given data
VIEWStep 2: Obtain the Z-score for the random variable X equals 65.
VIEWStep 3: Obtain the Z-score for the random variable X equals 105.
VIEWStep 4: Obtain the Z-score for the random variable X equals 114.
VIEWStep 5: Determine the speed that represent as outliers.
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