Organic Garage is a Canadian grocery store with a healthy conscience. Management claims that "a typical customer spends $85 per visit". Management knows that the standard deviation of spending is $6. A sample of 65 customers revealed the following purchases, in dollars, spent in their last visit to the store. Keep rounding to 4 decimals in all your answers.

$ 80.00 $ 82.00 $ 107.00 $ 83.00 $ 88.00 $ 85.00 $ 94.00 $ 109.00 $ 69.00 $ 86.00 $ 72.00 $ 85.00 $ 108.00 $ 71.00 $ 90.00 $ 82.00 $ 85.00 $ 85.00 $ 102.00 $ 98.00 $ 83.00 $ 79.00 $ 86.00 $ 75.00 $ 88.00 $ 79.00 $ 94.00 $ 106.00 $ 65.00 $ 100.00 $ 74.00 $ 65.00 $ 87.00 $ 81.00 $ 85.00 $ 94.00 $ 77.00 $ 84.00 $ 94.00 $ 87.00 $ 82.00 $ 167.00 $ 85.00 $ 102.00 $ 98.00 $ 83.00 $ 79.00 $ 112.00 $ 75.00 $ 159.00 $ 79.00 $ 94.00 $ 106.00 $ 65.00 $ 100.00 $ 280.00 $ 65.00 $ 87.00 $ 81.00 $ 85.00 $ 234.00 $ 77.00 $ 84.00 $ 94.00 $ 210.00

1) What is the upper limit for 90% confidence interval for the population mean? 2) What is the lower limit for 90% confidence interval for the population mean?

*USE EXCEL*