Use the chi-square goodness-of-fit to test to determine if the following observed data are normally distributed. Let
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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 3...View the full answer
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