A researcher claims that average age of people who purchase lottery tickets is 60. A sample of 30 is selected and their ages are recorded as given below. The standard deviation is 14. At α = 0.05 is there enough evidence to reject the researcher's claim? Describe all work.
|
65
|
63
|
75
|
52
|
22
|
80
|
72
|
56
|
82
|
56
|
|
24
|
60
|
70
|
65
|
70
|
61
|
65
|
71
|
39
|
74
|
|
79
|
75
|
71
|
49
|
62
|
68
|
71
|
67
|
69
|
60
|