A sample of 28 observations selected from a normally distributed population produced a sample mean of 97.45 and a sample standard deviation of s=12.20. A sample of 28 observations selected from a normally distributed population produced a sample mean of 97.45 and a sample standard deviation of s=12.20. a. Create a 97% confidence interval for . Use a T-Interval and round all values to 2 decimal places. The 97% confidence interval runs from Question Blank 1 of 6 to Question Blank 2 of 6