the Wall Street Journal reported that Walmart Stores inc. is planning to lay off 2300employees at its Sam’s Club warehouse unit. Approximately half of the layoffs will behourly employees (the Wall Street Journal, January 25–26, 2014). Suppose the following data represent the percentage of hourly employees laid off for 15 Sam’s Club stores.55 56 44 43 44 56 60 62 57 45 36 38 50 69 65a. Compute the mean and median percentage of hourly employees being laid off at thesestores.b. Compute the first and third quartiles.c. Compute the range and interquartile range.d. Compute the variance and standard deviation.e. Do the data contain any outliers?
the Wall Street Journal reported that Walmart Stores inc. is planning to lay off 2300employees at its Sam’s Club warehouse unit. Approximately half of the layoffs will behourly employees (the Wall Street Journal, January 25–26, 2014). Suppose the following data represent the percentage of hourly employees laid off for 15 Sam’s Club stores.55 56 44 43 44 56 60 62 57 45 36 38 50 69 65a. Compute the mean and median percentage of hourly employees being laid off at thesestores.b. Compute the first and third quartiles.c. Compute the range and interquartile range.d. Compute the variance and standard deviation.e. Do the data contain any outliers?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
the Wall Street Journal reported that Walmart Stores inc. is planning to lay off 2300
employees at its Sam’s Club warehouse unit. Approximately half of the layoffs will be
hourly employees (the Wall Street Journal, January 25–26, 2014). Suppose the following data represent the percentage of hourly employees laid off for 15 Sam’s Club stores.
55 56 44 43 44 56 60 62 57 45 36 38 50 69 65
a. Compute the mean and median percentage of hourly employees being laid off at these
stores.
b. Compute the first and third
c. Compute the
d. Compute the variance and standard deviation.
e. Do the data contain any outliers?
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