A school administrator wants to see if there is a difference in the number of students per class for Beaverton Public School district (group 1) compared to the Molalla School district (group 2). A random sample of 25 Beaverton classes found a mean of 34 students per class with a standard deviation of 5. A random sample of 28 Molalla classes found a mean of 33 students per class with a standard deviation of 3. Assume all conditions are met for inference. Find a 99% confidence interval in the difference of the means. ( , ) Round to 1 decimal place Interpret the confidence interval in context: Round all values to 1 decimal place We are 99 confident that the difference in sample mean class size between Beaverton and Molalla is between -----and