SOLUTION: According to Beautiful Bride magazine, the average age of a groom is now 26.2 years. A sample of 16 prospective grooms in Chicago revealed that their average age was 26.6 years wit
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Question 1113801: According to Beautiful Bride magazine, the average age of a groom is now 26.2 years. A sample of 16 prospective grooms in Chicago revealed that their average age was 26.6 years with a standard deviation of 5.3 years. What is the test value for a t test of the claim?
A. 1.81
B. 0.30
C. 0.59
D. 2.13
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The sample mean is
The population mean is (this is the greek letter mu).
The sample standard deviation is .
The sample size is
Using that info, we find the following:
This value is approximate
This value is approximate
Rounded to two decimal places, the t value is approximately
Therefore, the answer is choice B
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