The past records of a supermarket show that its customers spend an average of $110 per visit at this store. Recently themanagement of the store initiated a promotional campaign according to which each customer receives points based on the totalmoney spent at the store, and these points can be used to buy products at the store. The management expects that as a result of thiscampaign, the customers should be encouraged to spend more money at the store. To check whether this is true, the manager of thestore took a sample of 14 customers who visited the store. The following data give the money (in dollars) spent by these customersat this supermarket during their visits.106.13 107.43 124.68 124.88 101.17 72.75 85.4586.05100.4 98.84101.63 95.56 89.40 119.52Assume that the money spent by all customers at this supermarket has a normal distribution. Using a 2.5% significance level, can youconclude that the mean amount of money spent by all customers at this supermarket after the campaign was started is more than$110? (Hint: First calculate the sample mean and the sample standard deviation for these data. Then make the test of hypothesisabout u.)Round the sample standard deviation and sample mean to three decimal places.SWe conclude that the mean amount of money spent by all customers at this supermarket after the campaign was started is$110.not more thanmore thanMedia

Name: The past records of a supermarket show that its customers spend an av
Uploaded: 2024-03-20T07:06:27.000Z
Channel: Bartleby
Description: The past records of a supermarket show that its customers spend an average of $110 per visit at this store. Recently themanagement of the store initiated a promotional campaign according to which each customer receives points based on the totalmoney