Question
A data set includes 104 body temperatures of a healthy adult humans having a mean of...
A data set includes 104 body temperatures of a healthy
adult humans having a mean of 98.7°F and a standard deviation of
0.66°F. Construct a 99% confidence intervals estimate of the mean
bodybtemparaty of all healthy humans. What does the sample suggest
about the use of 98.6°F as the meanbody temperature?
Homework Answers
Answer #1
Since , the population standard deviation is not known.
Therefore , use t-distribution.
Now , df=degrees of freedom=n1-=104-1=103
The critical value is , 
; The Excel function is , =TINV(0.01,103)
Therefore , the 99% confidence interval is ,
Since , the value 98.6°F is within the 99% confidence interval.
Therefore , the sample suggest that the use of 98.6°F as the mean body temperature
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