1.For the following problems, identify the claim and state the null and alternate hypotheses, determine the critical value, find the test statistic, determine whether to reject or fail to reject the null hypothesis, and interpret the decision in the context of the original claim.

a.The store manager claims that the median number of customers per day through the checkout lines is no more than 225. A sample of customers per day through the checkout lines over 15 days is listed below. At .05 can you reject the manager's claim?

215224261208194198230216

213200154223210174187

b.A loan officer at a bank maintains that the median credit rating of its customers pursuing a mortgage loan is at least 695. The credit scores for 20 randomly selected mortgage loan customers is listed below. At .05 can you reject the loan officer's claim?

617695706631711625653612707

719605619621699644665697609

687711

c.A local police agency states that the median ticket cost for a speeding ticket issued is $185.In a random sample of 35 speeding tickets, the data is below. Can you reject the claim that the median ticket cost for a speeding ticket is $185?

1541581351571851001781401779711199115156147102140175185114142128224159131187167145120218195201130194221