The following data is a random sample of 1st quiz scores from previous Research 342 classes.
9.5, 6.5, 4.25, 8.5, 7.5, 4.5, 4.25, 6, 7
mean = 6.44 s = 1.89
A)Based on the above data, find a 95% confidence interval for the average score on the 1st quiz.
B)Describe what the confidence interval tells you