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. 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: Please watch the videos (in Excel Lab 2.2a and Excel Lab 2.2b) related to hypothesis testing with tw samples prior to attempting this question. Are the samples related (i.e. dependent) or independent? Null Hypothesis: Alternative Hypothesis:
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. 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: Please watch the videos (in Excel Lab 2.2a and Excel Lab 2.2b) related to hypothesis testing with tw samples prior to attempting this question. Are the samples related (i.e. dependent) or independent? Null Hypothesis: Alternative Hypothesis:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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