The file movie prices contains the price for two movie tickets, with online service charges, large popcorn, and two medium soft drinks at a sample of six theater chains: $36.15, $31.00, $35.05, $40.25, $33.75, $43.00
a. Construct a 95% confidence interval estimate for the population mean price for two movie tickets, with online service charges, large popcorn, and two medium soft drinks, assuming a normal distribution.
b. Interpret the interval constructed in (a).