SOLUTION: please walk me through this A researcher claims that the average age of people who buy lottery tickets is 58. A sample of 30 is selected and their ages are recorded as shown bel

Algebra ->  Probability-and-statistics -> SOLUTION: please walk me through this A researcher claims that the average age of people who buy lottery tickets is 58. A sample of 30 is selected and their ages are recorded as shown bel      Log On


   

Question 703786: please walk me through this
A researcher claims that the average age of people who buy lottery tickets is 58. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 7. At a = 0.01 is there enough evidence to reject the researcher’s claim?

65

63

26

52

74

80

72

56

36

56
79

60

70

74

70

61

65

71

28

74
79

75

38

49

62

68

45

67

69

45
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Please post the mean and standard deveiation of
the data along with a statement of the problem.
Cheers,
Stan H.