Posted: March 24th, 2021

Suppose the mean gpa of all students graduating from a particular

Suppose the mean GPA of all students graduating from a particular university in 1975 was 2.90. The registrar plans to look at records of students graduating last year to see if the mean GPA has changed. Define notation and state the null and alternative hypotheses for this investigation.

Choose the correct null and alternative hypotheses.

A.      Ho: u < 2.90; Ha: u = 2.90

B.      Ho: u = 2.90; Ha: u > 2.90

C.      Ho: u != 2.90; Ha: u = 2.90

D.      Ho: u > 2.90; Ha: u = 2.90

E.      Ho: u = 2.90; Ha: u != 2.90

F.       Ho: u = 2.90; Ha: u < 2.90

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