Six salesperson, who work for a car dealership, participated in a training seminar: "How to be a more successful salesperson." To evaluate the effectiveness (i.e. if average sales increased) the number of cars sold during the month prior to the seminar and during the month after the seminar was recorded. The raw data is provided in the photo. Test, using significant level =.05, if there is evidence to support the claim that, on average, the seminar: "How to be a more successful salesperson" increases sales. 1.) State the null and alternative hypotheses. 2.) Determine the Test Statistic and p-value. 3.) Make a decision, reject Ho or not? 4.) Write a sentence about the results you found.

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Six salesperson, who work for a car dealership, participated in a training seminar: "How to be a more successful salesperson." To evaluate the effectiveness (i.e. if average sales increased) the number of cars sold during the month prior to the seminar and during the month after the seminar was recorded. The raw data is provided in the photo. Test, using significant level =.05, if there is evidence to support the claim that, on average, the seminar: "How to be a more successful salesperson" increases sales. 1.) State the null and alternative hypotheses. 2.) Determine the Test Statistic and p-value. 3.) Make a decision, reject Ho or not? 4.) Write a sentence about the results you found.
Number of Cars Sold
Month Before the Seminar
Month after the seminar
Salesperson 1
12
18
Salesperson 2
18
21
Salesperson 3
24
25
Salesperson 4
16
20
Salesperson 5
15
14
Salesperson 6
18
20
Transcribed Image Text:Number of Cars Sold Month Before the Seminar Month after the seminar Salesperson 1 12 18 Salesperson 2 18 21 Salesperson 3 24 25 Salesperson 4 16 20 Salesperson 5 15 14 Salesperson 6 18 20
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