Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Chapter 2, Problem 119BITH
A survey of enrollment at 35 community colleges across the United States yielded the following figures:
6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5.181; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681;
3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622
a. Oiganize the data into a chart with five intervals of equal width. Label the two columns Eniollment” and “Fiequenc”
b. Construct a histogram of the data.
c. If you were to build a new community college, siiiCh piece of Infotmation would be more valuable: the
d. Calculate the sample mean.
e. Calculate the sample standard deviation.
f. A school with an enrolkint of 8000 would be how many standard deviations away from the mean?
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Chapter 2 Solutions
Introductory Statistics
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