Question

Question 1. Use the data above to construct a 95% confidence interval for the mean class size μ. (calculate y and s to 3 decimal places). lower bound of confidence interval upper bound of confidence interval Question 2. Mark the following statement as true or false: The probability is 0.95 that the mean size μ of high school classes is contained in the interval calculated above. One submission ONLY; no exceptions. True False

Answer 1

Which is the output of the formula =AND(12>6;6>3;3>9)?

A.

TRUE

B.

FALSE

C.

12

D.

9

Explanation: