COMM 215 Lecture Notes - Lecture 5: National Highway Traffic Safety Administration, United Automobile Workers, Box Plot
17 Feb 2017
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Descriptive statistics: the listing below gives the service times in minutes for a sample of customers who arrive at the drive-in service window of a&w: A researcher has obtained the number of hours worked per week during the summer for a sample of twelve students. The purchasing department for bombard corporation would like to implement a plan for improving the time it takes to fill a purchase order. As a first step, a sample of 16 purchase orders is selected and the time (in working days) required to fill the order is recorded below: 10: construct a stem-and-leaf display for the data set, compute the 30th and the 70th percentile, if a purchase order took 42 days to be filled, would this be considered an outlier, a. The following is a stem and leaf display of cash retainers paid to board members for a sample of 20 of the nation"s largest public companies:
