Reference no: EM132515238
Sorting through unsolicited e-mail and spam affects the productivity of office workers. An InsightExpress survey monitored office workers to determine the unproductive time per day devoted to unsolicited e-mail and spam (USA Today, November 13, 2003).
The following data show a sample of time in minutes devoted to this task.
2 4 8 4 8 1 2 32
12 1 5 7 5 5 3 4
24 19 4 14
Summarize the data by constructing the following:
a. A frequency distribution (classes 1-5, 6-10, 11-15, 16-20, and so on)
b. A relative frequency distribution
c. A cumulative frequency distribution
d. A cumulative relative frequency distribution
e. An ogive (with cumulative percent frequency on the Y axis)
f. Find the mode, median, 1st quartile, third quartile using the graphs above.
g. What percentage of office workers spend 5 minutes or less on unsolicited e-mail and spam? What percentage of office workers spend more than 10 minutes a day on this task?
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