Please answer this in excel. Thank you! The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at her shop. She selects a random sample of 60 customers during a...

Please answer this in excel.  Thank you!

The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at her shop. She selects a random sample of 60 customers during a certain week, with the following results:
• The amount spent was X = $7.25, S = $1.75. • Thirty-one customers say they “definitely will” recommend the specialty coffee shop to family and friends.

a. At the 0.05 level of significance, is there evidence that the population mean amount spent was different from $6.50?

d. What is your answer to (a) if the sample mean equals $6.25?