ALL WORK PLEASE FOR MY UNDERSTANDING !
ALL WORK PLEASE FOR MY UNDERSTANDING !
can any help me ?
4. In the 1986 issue of Consumer Reports, some data on the calorie content of beef hot dogs is given Here are the numbers of calories in 20 different hot dog brands: 186, 181, 176, 149, 184, 190, 158, 139, 175, 148, 152, 111, 141,153, 190, 157, 131, 149, 135, 132 Assume that these are the observed values from a random sample of 20 independent normal random variables with mean u and variance o? , both unknown. Find a 90 percent confidence interval for the mean number of calories u.
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