SCENARIO 2: A company that employs a large number of salespeople is interested in learning which of the salespeople sell the most : those strictly on commission , those with a fixed salary , or those with a reduced fixed salary plus a commission . The previous month's records for a sample of salespeople are inspected and the amount of sales ( in dollars ) is recorded for each , as shown in the table . Perform an ANOVA in order to test the difference in mean amount of sales across the three employee types . Commissioned* Fixed Salary* Commission Plus Salary $507 $ 425 $492 $450 $413 $192 $532 $437 $470 $483 $432 $439 $466 $414 $410 QUESTION 10 Referring to Scenario 2 , the decision is : O Reject null hypothesis , means are different None of the other choices is correct O Reject null hypothesis , means are not different Fail to reject null hypothesis , means are not different