First, we are interested in the average overall rating for a De Anza and Foothill College instructor. The sample will be the 700 instructors on RateMyProfessors.com at the time we collected the data.

1.)Construct a 95% confidence interval for the population average. Paste the results below.

• Then, interpret the meaning of the confidence interval in the context of the problem.

Descriptive Statistics N Mean StDev SE Mean 95% Cl for u 700 3.7107 0.8333 0.0315 (3.6489, 3.7725) H: population mean of overallMethod Descriptive Statistics Event: hot = Yes p: proportion where hot = Yes N Event Sample p 90% Cl for p Exact method is used for this analysis. 700 260 0.371429 (0.341119, 0.402546)