In the June 1986 issue of Consumer Reports, some data on the calorie content of beef hot
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186, 181, 176, 149, 184, 190, 158, 139, 175, 148,
152, 111, 141, 153, 190, 157, 131, 149, 135, 132.
Assume that these numbers are the observed values from a random sample of twenty independent normal random variables with mean μ and variance σ2, both unknown. Find a 90% confidence interval for the mean number of calories μ.
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The average of the n 20 values is n 15685 and 226...View the full answer
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Related Book For
Probability And Statistics
ISBN: 9780321500465
4th Edition
Authors: Morris H. DeGroot, Mark J. Schervish
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