SOLUTION: In an effort to estimate the mean amount spent per customer for dinner at an Koket restaurant, data were collected for a sample of 49 customers. The data collected are shown in the

Algebra ->  Probability-and-statistics -> SOLUTION: In an effort to estimate the mean amount spent per customer for dinner at an Koket restaurant, data were collected for a sample of 49 customers. The data collected are shown in the      Log On


   

Question 1161393: In an effort to estimate the mean amount spent per customer for dinner at an Koket restaurant, data were collected for a sample of 49 customers. The data collected are shown in the CD file named Restaurant. Based upon past studies the population standard deviation is assumed known with σ 2 birr55.
a. At 95% confidence, what is the margin of error?
b. Develop a 95% confidence interval estimate of the mean amount spent for dinner

Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.

I have no this CD file named Restaurant.

I even do not have this CD, itself.

And no one of the tutors of this forum has it.