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September 3, 2015

Homework Help: Statics

Posted by kesha on Thursday, June 21, 2012 at 6:02pm.

Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work.
Class
Frequency

61-63
19

64-66
17

67-69
5

70-72
10

73-75
12

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