The accompanying data file reports the number of customers who visit a hair salon for seven randomly selected weekdays. It can be assumed that weekday customer visits follow a normal distribution.
Click here for the Excel Data File
Construct the 90% confidence interval for the average number of customers who visit the salon on weekdays.
Note: Round final answers to
2 decimal places.
Construct the 99% confidence interval for the average number of customers who visit the salon on weekdays.
Note: Round final answers to 2 decimal places.
