Stat 200 Fall 17 - Section 2 Magbis Vizcair Quiz: Chapter 7 Quiz This Question:

Question

Stat 200 Fall 17 - Section 2 Magbis Vizcair Quiz: Chapter 7 Quiz This Question: 1 pt 5 of 10 (4 complete) A data set includes 103 body temperatures of healthy ad it humans having a mean of 98 9 F and a standard de a n d 0 65 P o sista a mean body temperature of all healthy humans. What does the sample suggest about the use of 98.6°F as the mean body temperature? Click here to view atdistribution table Click here to view page 1 of the standard normal distribution table. hereo view age 2 of the standard nomal distibution tabie What is the confidence interval estimate of the population mean ? [98.732°F

Explanation / Answer

the confidence interval CI is (98.732, 99.068) i.e. greater than 98.732 and less than 99.068, that means mean body temperature lies in this interval. But, 98.6 is less than the lower bound of CI 98.732 and we are sure that mean temperature is higher than 98.732oF, so mean termperature will definately be higher than 98.6oF

C. This suggests that the mean body temperature could be higher than 98.6oF. is the correct choice.

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