Determine the sample variance and standard deviation for the following data by using the computational formula. Class

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Determine the sample variance and standard deviation for the following data by using the computational formula.

Class ......... f

5–under 9 ........20

9–under 13 ........18

13–under 17 ........ 8

17–under 21 ........ 6

21–under 25 ........ 2

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Business Statistics For Contemporary Decision Making

ISBN: 978-1118749647

8th edition

Authors: Black Ken

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Question Posted: Feb 19, 2015 08:35 AM

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Determine the sample variance and standard deviation for the following data by using the computational formula. Class

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Class f M fM fM 2 5 9 20 7 140 980 9 13 18 11 198 2178 1...View the full answer

Business Statistics For Contemporary Decision Making

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