Use the given data to find the 95% confidence interval estimate of the population mean ?.
Assume that the population has a normal distribution.
IQ scores of professional athletes:
Sample size ?=25
Mean ?⎯=104
Standard deviation ?=12
= ...<?<...
We have given that,
Sample mean =104
Sample standard deviation =12
Sample size =25
Level of significance=1-0.95=0.05
Degree of freedom =24
t critical value is (by using t table)=
2.064
Get Answers For Free
Most questions answered within 1 hours.