WinCo Foods ()Walmart (µ2) WinCo Foods, a large discount grocery retailer in the Western United States, promotes itself as the lowest priced grocery retailer. In newspaper ads WinCo Foods published a price comparison for products between WinCo and several competing grocery retailers. One of the retailers compared against WinCo was Walmart, also known as a low price competitor. WinCo selected a variety of products, listed the price of the product charges at each retailer, and showed the sales receipt to prove the prices at WinCo were the lowest in the area. A sample of the products and their price comparison at both WinCo and Walmart are shown on the left. Do the prices listed indicate that, on average, prices at WinCo are lower than prices at Walmart? Use 5% significance level. $0.42 $0.48 $0.58 $0.98 $0.98 $1.48 $0.98 $2.67 Solve this question using Excel. State the null & alternative hypotheses clearly. Interpret the Excel output and state your conclusion clearly. Provide all your results and comments on this sheet. Specifically, type in your answers in the spaces provided below: $1.18 $1.78 $3.83 $4.11 Please watch the videos (in Excel Lab 2.2a and Excel Lab 2.2b) related to hypothesis testing with two samples prior to attempting this question. $3.48 $4.12 Are the samples related (i.e. dependent) or independent? $0.88 $0.88 $0.88 $1.06 Null Hypothesis: $12.68 $1.98 $5.98 $1.58 $11.84 $2.74 Alternative Hypothesis: $5.48 $1.98 $2.78 Interpretation of Excel output (Conclusion of Hypothesis test): $2.28
WinCo Foods ()Walmart (µ2) WinCo Foods, a large discount grocery retailer in the Western United States, promotes itself as the lowest priced grocery retailer. In newspaper ads WinCo Foods published a price comparison for products between WinCo and several competing grocery retailers. One of the retailers compared against WinCo was Walmart, also known as a low price competitor. WinCo selected a variety of products, listed the price of the product charges at each retailer, and showed the sales receipt to prove the prices at WinCo were the lowest in the area. A sample of the products and their price comparison at both WinCo and Walmart are shown on the left. Do the prices listed indicate that, on average, prices at WinCo are lower than prices at Walmart? Use 5% significance level. $0.42 $0.48 $0.58 $0.98 $0.98 $1.48 $0.98 $2.67 Solve this question using Excel. State the null & alternative hypotheses clearly. Interpret the Excel output and state your conclusion clearly. Provide all your results and comments on this sheet. Specifically, type in your answers in the spaces provided below: $1.18 $1.78 $3.83 $4.11 Please watch the videos (in Excel Lab 2.2a and Excel Lab 2.2b) related to hypothesis testing with two samples prior to attempting this question. $3.48 $4.12 Are the samples related (i.e. dependent) or independent? $0.88 $0.88 $0.88 $1.06 Null Hypothesis: $12.68 $1.98 $5.98 $1.58 $11.84 $2.74 Alternative Hypothesis: $5.48 $1.98 $2.78 Interpretation of Excel output (Conclusion of Hypothesis test): $2.28
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Topic Video
Question
Transcribed Image Text:Clipboard
Alignment
Styles
| Analysis
Sensitivity
Font
Number
Cells
Editing
Об
fr
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$0.78
$2.18
$2.27
$5.98
$2.38
$0.68
$0.78
$1.18
$2.54
$1.68
$1.28
$3.28
$0.88
$1.98
$1.18
$0.78
$2.58
$2.27
$7.56
$2.42
$0.73
$1.23
$1.36
$1.92
$1.98
$1.38
$4.23
$1.12
$1.68
$1.26
16
Business Implications:
17
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Transcribed Image Text:H.
1 WinCo Foods (u,)Walmart (u,) WinCo Foods, a large discount grocery retailer in the Western United States, promotes itself as the
lowest priced grocery retailer. In newspaper ads WinCo Foods published a price comparison for
products between WinCo and several competing grocery retailers. One of the retailers compared
against WinCo was Walmart, also known as a low price competitor. WinCo selected a variety of
products, listed the price of the product charges at each retailer, and showed the sales receipt to
prove the prices at WinCo were the lowest in the area. A sample of the products and their price
comparison at both WinCo and Walmart are shown on the left. Do the prices listed indicate that, on
average, prices at WinCo are lower than prices at Walmart? Use 5% significance level.
$0.42
$0.48
$0.58
$0.98
3
$0.98
$1.48
4
$0.98
$2.67
5
Solve this question using Excel. State the null & alternative hypotheses clearly. Interpret the Excel
output and state your conclusion clearly. Provide all your results and comments on this sheet.
Specifically, type in your answers in the spaces provided below:
$1.18
$1.78
$3.83
$4.11
7
Please watch the videos (in Excel Lab 2.2a and Excel Lab 2.2b) related to hypothesis testing with two
samples prior to attempting this question.
$3.48
$4.12
8
Are the samples related (i.e. dependent) or independent?
$0.88
$0.88
9
$0.88
$1.06
Null Hypothesis:
10
$12.68
$11.84
11
Alternative Hypothesis:
$1.98
$5.98
$1.58
$2.28
$2.74
$5.48
$1.98
$2.78
12
13
Interpretation of Excel output (Conclusion of Hypothesis test):
14
15
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