A data set includes 109 body temperatures of healthy adult humans for which x =

Question

A data set includes 109 body temperatures of healthy adult humans for which x = 98.3 degree F and s = 0.54 degree 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 degree F. (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 the confidence interval limits use of 98.6 degree F as the mean body temperature? What is the confidence interval estimate of the population mean mu? degree F

Explanation / Answer

a) Best point estimate = 98.3

b) The statistical software output for 99% confidence interval is:

One sample T confidence interval:
: Mean of population

99% confidence interval results:

Hence,

99% confidence interval will be:

(98.164, 98,436)

No, this interval doesn't contain 98.6oF.

Mean Sample Mean Std. Err. DF L. Limit U. Limit 98.3 0.051722619 108 98.164377 98.435623

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