A market research firm used a sample of individuals to rate the purchase potential of a particular product before and after the individuals saw a new television commercial about the product. The purchase potential ratings were based on a 0 to 10 scale, with higher values indicating a higher purchase potential. The null hypothesis stated that the mean rating "after" would be less than or equal to the mean rating "before." Rejection of this hypothesis would show that the commercial improved the mean purchase potential rating. Use a = 0.05 and the following data to test the hypothesis and comment on the value of the commercial. Purchase Rating Purchase Rating Individual After Before Individual After Before 6. 6. 4. 2 6 4 6. 8 7. 3 7. 6 4 8 6 What are the hypotheses? Ho: Hd is - Select your answer - sỊ Pri :"H Select your answer - Compute d (to 3 decimals). Compute sa (to 1 decimal). What is the p-value? The p-value is Select your answer - What is your decision? - Select your answer -
A market research firm used a sample of individuals to rate the purchase potential of a particular product before and after the individuals saw a new television commercial about the product. The purchase potential ratings were based on a 0 to 10 scale, with higher values indicating a higher purchase potential. The null hypothesis stated that the mean rating "after" would be less than or equal to the mean rating "before." Rejection of this hypothesis would show that the commercial improved the mean purchase potential rating. Use a = 0.05 and the following data to test the hypothesis and comment on the value of the commercial. Purchase Rating Purchase Rating Individual After Before Individual After Before 6. 6. 4. 2 6 4 6. 8 7. 3 7. 6 4 8 6 What are the hypotheses? Ho: Hd is - Select your answer - sỊ Pri :"H Select your answer - Compute d (to 3 decimals). Compute sa (to 1 decimal). What is the p-value? The p-value is Select your answer - What is your decision? - Select your answer -
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Transcribed Image Text:oA market research firm used a sample of individuals to rate the purchase potential of a particular product before and after the individuals saw a new television commercial
about the product. The purchase potential ratings were based on a 0 to 10 scale, with higher values indicating a higher purchase potential. The null hypothesis stated that the
mean rating "after" would be less than or equal to the mean rating "before." Rejection of this hypothesis would show that the commercial improved the mean purchase
potential rating. Use a =0.05 and the following data to test the hypothesis and comment on the value of the commercial.
Purchase Rating
Purchase Rating
Individual
After
Before
Individual
After
Before
1
6.
6.
5.
3
4.
6.
7.
7
6.
4
3
6.
What are the hypotheses?
sI Prl :0
- Select your answer
Select your answer-
Sam
H: Ha is
Compute d (to 3 decimals).
Compute sa (to 1 decimal).
What is the p-value?
The p-value is
- Select your answer
What is your decision?
Select your answer
MacBook
Air
FIL
F10
F9
F8
67
8.
4.
4.
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