Question

A standard Subway sandwich has 6 ounces of meat in the sub. The Subway at Western and Sarnia Rd. has been accused by Subway head office of serving subs that have a different amount of meat than the required 6 ounces. A sample of 64 different subs from that subway was taken and the average weight was 6.251 ounces, with a standard deviation of 1.02 ounces. Test the claim at a 5% significance level, that the meat filling is not the required standard 6 ounces at the Western and Sarnia Subway location.

(Remember your units)
(Round all final statistics and answer to four decimal places)                   (8 points)

b) Why would or should the head office care? [1 point]

Answer 1