Question: Marketing managers for a toy store located in two separate oties is interested in estimating the difference in the mean daly sales for the

Marketing managers for a toy store located in two separate oties is

Marketing managers for a toy store located in two separate oties is interested in estimating the difference in the mean daly sales for the two cies. They want to calodate a 90 percent confidence interval and will select a sample of 10 days in each store for the study If the marketing managers assume that the population standard deviatons am inown the artice vatue for the confidence interval is z=1645 True False

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