In Exercise 3.14, the personnel director has collected data describing 100 employees, with one of the variables being the number of absences during the past year. Using data file XR03014, describe the variable, number of absences.
a. Construct and interpret the box-and-whisker plot for the number of absences.
b. Standardize the data; then determine the mean and standard deviation of the standardized values.

Exercise 3.14

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A personnel administrator has collected data on 100 employees, including gender, age, and number of days absent during the previous year. Compare the mean and median number of days absent for females (coded as the gender = 1) versus males (coded as gender = 2) within the company. The data are in file XRO3014.