In: Math
a dentist wants to find out the average time taken by her hygienist for x rays and clean teeth for patients. she recorded the time to serve 24 randomly selected patients . construct a 99% confidence interval for the average time taken
Time | |
36.80 39.80 38.60 38.30 35.80 32.60 38.70 34.50 37.00 32.00 40.90 33.80 37.10 31.00 35.10 38.20 36.60 38.80 39.60 39.70 35.10 38.20 32.70 40.50 |