Answer Happy

Help 00 8 A marketing research firm wishes to compare the prices charged by two supermarket chains Mer's and Albert's. The research tem, using a standardized one-week shopping plan (grocery smakes identical purchases at 10 of each chans stores. The stores for each chain are randomly selected and all purchases are made during a single week. It is found that the mean and the standard deviation of the shopping expenses at the 10 Miller's stores are 512192 and 51.40, respectively. It is also found that the mean and the standard deviation of the shopping expenses at the 10 Albert's stores are $114 81 and 5184, respectively. Assuming normality Test to see if the corresponding population variances differ by setting aequal to 05. Is it reasonable to use the equal variances procedure 10 compare population means? ebook (a) Calculate the value of the test statistic (Do not round intermediate calculations, Round your answer to 2 decimal places) Print Ferences Test statistic (b) Calculate the critical value (Round your answer to 2 decimal places) Critical value