It Is Believed That the Median Age of College Students

question 77

Essay

It is believed that the median age of college students is 21 years. A sample of 80 college students is taken. Thirty of the students were under 21, 45 of the students were over 21, and 10 were 21 years old.
a.State the null and alternative hypotheses.
b.Test the null hypothesis at the 1% level of significance.

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Definitions:

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