Determine the population variance and standard deviation for the following data by using the original formula. Class
Question:
Determine the population variance and standard deviation for the following data by using the original formula.
Class ......... f
20–under 30 ....... 7
30–under 40 .......11
40–under 50 .......18
50–under 60 .......13
60–under 70 ....... 6
70–under 80 ....... 4
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Class fM f M 2030 7 25 175 3040 11 35 385 4050 18 45 810 5060 13 ...View the full answer
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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