You are interested in learning about the average online hours per day for ABC College students. Data is gathered from 50 students - mean online hours is 7.52 with a standard deviation of 2.85....

You are interested in learning about the average online hours per day for ABC College students. Data is gathered from 50 students - mean online hours is 7.52 with a standard deviation of 2.85.

1. Calculate the 95% CI (or alpha at 0.05) and interpret your results in a full sentence.


2. Now calculate a 99% CI for the above. How does your answer change?


3. If you sampled a group of 24 students and the new calculated mean and standard deviation are the same as with the larger group of 50, would the 99% CI change from b above? If yes, in what way?