SOLUTION: A random sample of 40 students taking statistics at a community college was asked for their GPA. The sample mean was 3.03 and the margin of error for a 95% confidence interval was

Question 930831: A random sample of 40 students taking statistics at a community college was asked for their GPA. The sample mean was 3.03 and the margin of error for a 95% confidence interval was 0.16.
A. Choose the correct interpretation of the confidence interval below.
A. We are 95% confident that the population mean GPA of statistics students at the school is between what and what?
B. We are 95% confident that the recorded sample mean GPA of statistics students at the school is between what and what?
C. We are 95% confident that the population mean GPA for all of the students students at the school is between what and what?
B. What does the interval tell us about the population mean GPA for statistics students at the school. Can you reject 3.45 as the mean for statistics students?
Thank you
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
A. We are 95% confident that the population mean GPA of statistics students at the school is between 2.87 and 3.19
B. 3.45 is outside of the confidence interval. Reject at the 95% level.
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