The average monthly rent for a one-bedroom home in San Francisco is $1,429. A random sample of 20 one-bedroom homes about 15 miles outside of San Francisco had a mean rent of $1,550. The population standard deviation is $250. At a=.005 can we conclude that the monthly rent outside San Francisco differs from that in the City?
a. state the hypotheses and identify the claim
b. find the critical value(s)
c. compute the test value
d. make the decision
e. summarize the results