PROBLEM SET # 11 A. Solve the given problem following the steps of hypothesis testing. 1.The data below shows the result of the treatments conducted by researchers. They want to know if at least two...

please answer number 1

Extracted text: PROBLEM SET # 11 A. Solve the given problem following the steps of hypothesis testing. 1.The data below shows the result of the treatments conducted by researchers. They want to know if at least two of the 3 probability distributions differ in location using 0.05 level of significance BLOCKS 1 8. 9. 7 6. 8. 8. 4 8 5 9 8 8. 2. A department store, A, has four competitors: B, C, D, and E. Store A hires a consultant to determine if the percentage of shoppers who prefer each of the five stores is the same. A survey of 1100 randomly selected shoppers is conducted, and the results about whìch one of the stores shoppers prefer are below. Is there enough evidence using a significance level a = 0.05 to conclude that the proportions are really the same? Store В D E Number of Shoppers 262 234 204 | 190 210 D.