Below is the data for the exam scores of a sample of 9

Last updated: 11/5/2023

Below is the data for the exam scores of a sample of 9 students The population is normally distributed 85 70 66 95 77 94 65 79 84 a Find the margin of error for a 95 confidence interval for the mean Round to 3 decimal places To find the standard deviation of this sample use formulas from Chapter 2 or technology Enter an integer or decimal number more b Find the confidence interval for the mean Round to 3 decimal places To find the mean of this sample use the formulas in Chapter 2 or technology