Exercise 3 25 described a study in which e commerce researchers visited
Exercise 3.25 described a study in which e-commerce researchers visited walmart.com on multiple occasions during the holiday shopping season and measured the time (in seconds) it took for the site to come up on the computer screen. Data file XR03025 contains results that we assumed could have been obtained during this study.
a. Construct and interpret the box-and-whisker plot for the times.
b. Standardize the data; then determine the mean and standard deviation of the standardized values.
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