The owner of an exercise club believes the mean value of the amount of weight lost in a program during six months should be at least 30 pounds. The number of pounds lost by a sample of 29 people over six months is given below:
3, 4, 5, 5, 6, 7, 7, 10, 10, 10, 11, 12, 15, 15, 18, 18, 20, 23, 24, 25, 25, 28, 29, 30, 35, 40, 41, 44, 45
Can you reject the owner's claim at alpha = 0.01? Check conditions before you perform the test. Use Minitab>stat>basic stat> 1-sample t to get the p-value and then use p-value approach.