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The sample of 30 students' ages in a statistics class is given below. The ages are believed to be normally distributed The average age is

The sample of 30 students' ages in a statistics class is given below. The ages are believed to be normally distributed The average age is 23.07 years with a standard deviation of years.

15 17 19 20 20 20 21 2121 21 21 21 22 22 22 22 22 22 22 21 24 24 25 25 27 29 30 31 32

33 Calculate the test statistics

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