Hypothesis Testing of Mean
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A researcher claims that the average age of people who buy lottery tickets is 61. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 9. At a = 0.05 is there enough evidence to reject the researcher's claim? Show 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
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Solution Summary
The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.
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A researcher claims that the average age of people who buy lottery tickets is 61. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 9. At a = 0.05 is there enough evidence to reject the researcher's claim? Show all work.
65
63
75
52
22
80
72
56
82
56
24
60
70
65
70
61
65
71
39 ...
Purchase this Solution
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