MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The median number of part-time employees at fast-food restaurants in a particular city was
known to be 18 last year. City officials think the use of part-time employees may be increasing.
A sample of nine fast-food restaurants showed that seven restaurants were employing more
than 18 part-time employees, one restaurant was employing exactly 18 part-time employees,
and one restaurant was employing fewer than 18 part-time employees. Can it be concluded
that the median number of part-time employees has increased? Test using a = .05.

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