Use the Following Information for Questions:
a Counselor Wants $\mu$

Use the following information for questions:
A counselor wants to show that for men who are married by the time they are 30, $\mu$ = average age when the men are married is not 21 years old. A random sample of 10 men who were married by age 30 showed an average age at marriage of 22.2, with a sample standard deviation of 1.9 years. Assume that the age at which this population of men get married for the first time is normally distributed.
-What is the value of the test statistic?

A) t =1.80
B) t =2.00
C) t =2.33
D) None of the above

Correct Answer:

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