Suppose a sample of statistics students (N=30) has a distribution of grades with a mean of 70 and standard deviation of 15.
a. What is the standard error of the mean?
b.Report the 68% confidence interval.
c.Based on your response to part b, interpret the 68% confidence interval.
d.Report the 95% confidence interval.
e.Report the 99% confidence interval.
Correct Answer:
Verified
b.68% CI= 67.26 to 72.74
c.68% of...
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