Question 12 A school administrator wants to see if there is a difference in the number of students per class for Fullerton School district (group 1) compared to the Cerritos School district (group 2). A random sample of 28 Fullerton classes found a mean of 38 students per class with a standard deviation of 5. A random sample of 26 Cerritos classes found a mean of 37 students per class with a standard deviation of 6. Assume all conditions are met for inference. Find a 90% confidence interval in the difference of the means. Round to 1 decimal place. Interpret the confidence interval in context: We are is confident that the difference in average class size between Fullerton and Cerritos is between and