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
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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Transcribed Image Text: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
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