The following data represent the average number of hours per week that a random sample of 40
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The data are based on the ECAR Study of Undergraduate Students and Information Technology, 2007. Construct a stem-and-leaf diagram of the data, and comment on the shape of the distribution.
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18.9 14.0 24.4 17.4 13.7 16.5 14.8 20.8 22.9 22.2 13.4 18.8 15.1 219 21.1 14.7 18.6 18.0 21.1 15.6 16.6 20.6 17.3 17.9 15.2 16.4 14.5 17.1 25.7 17.4 18.8 17.1 13.6 20.1 15.3 19.2 23.4 14.5 18.6 23.8
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