Use the chi-square goodness-of-fit to test to determine if the following observed data are normally distributed. Let
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Use the chi-square goodness-of-fit to test to determine if the following observed data are normally distributed. Let = .05.What are your estimated mean and standard deviation?
Category Observed
10–under 20 ......... 6
20–under 30 .........14
30–under 40 .........29
40–under 50 .........38
50–under 60 .........25
60–under 70 .........10
70–under 80 ......... 7
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Category f observed Midpt fm fm 2 1020 6 15 90 1350 2030 14 25 350 8750 3040 29 35 1015 35525 4050 38 45 1710 76950 5060 25 55 1375 75625 6070 10 65 6...View the full answer
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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