Concept explainers
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.
56 44 43 44 56 60 62 57 45 36 38 50 69 65
a. Compute the
b. Compute the first and third quartiles.
c. Compute the
d. Compute the variance and standard deviation.
e. Do the data contain any outliers?
f. Based on the sample data, does it appear that Walmart is meeting its goal for reducing the number of hourly employees?
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Chapter 3 Solutions
ESSEN OF MOD BUS STAT(LL) W/MIND TAP
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