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 fol- lowing data show a sample of time in minutes devoted to this task. 2 48 4 8 1 2 32 12 1 5 7 5 53 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
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 fol- lowing data show a sample of time in minutes devoted to this task. 2 48 4 8 1 2 32 12 1 5 7 5 53 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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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 fol-
lowing data show a sample of time in minutes devoted to this task.
2 48 4
8 1 2 32
12 1 5 7
5 53 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
f. 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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