The Simcoe County Food Emporium claimsthat "the typical customer spends $59 per visit." A sample of 12 customers revealed the following purchases, in dollars, spent last visit:

$626069655969686866675859

a.What is the point estimate of the population mean?(Round the final answer to 2 decimal places.)

Point estimate$

b.Develop a 80% confidence interval for the population mean.(Round the final answers to 2 decimal places.)

The confidence interval for the population mean is between $and $.

c.Is the restaurant's claim that the "typical customer" spends $59 per visit reasonable?

(Click to select)

No

Yes