Practice question 3
A random sample of 40 men was selected and the weights of the men were measured. Below are the weights rounded to the nearest kilogram:
74 87 80 71 77 67 80 83 78 84 75 79 73 79 81 77 89 68 74 93
86 65 82 87 78 92 76 78 73 81 75 73 85 77 73 76 80 83 78 69
M N=40
Variable Mean Std.dev.
Weight 78.40000 6.456164
assuming that the variance of weight has been measured in previous studies at 6.3245552 kg2
Please give a detailed answer <3
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