A data set includes 104 body temperatures of healthy adult humans for which x-98

Question

A data set includes 104 body temperatures of healthy adult humans for which x-98.7°F and s-o.66°F. Complete parts (a) and (b) below. a. What is the best point estimate of the mean body temperature of all healthy humans? The best point estimate is 98.7 (Type an integer or a decimal.) b. Using the sample statistics, construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. Do te confidence interval limits contain 98.6 F? What does the sample suggest about the use of 98.6 F as the mean body temperature? what is the confidence interval estimate of the population mean ? (Round to three decimal places as needed.)

Explanation / Answer

a) 98.7

b) for 99% confidence interval, the az value is 2.575

thus, lower limit is mean-z*s=98.7-2.575*0.66=97

and upper limit is mean+z*s=98.7+2.575*0.66=100.399

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