Mathematics, 24.04.2020 22:49 kayranicole1
2. A sample of 20 OU freshmen had a GPA over all of their first semester classes of 2.8 with a variance of 0.25 (remember: standard deviation is the square root of variance). Perform a hypothesis test at LaTeX: \alpha\:=\:0.05\:\:α = 0.05to determine if the first semester GPA of all freshmen is less than 3.0.
What is the null hypothesis?
What is the alternative hypothesis?
What is the value of the test statistic?
What is the p-value for the rejection region?
What conclusion do you draw?
What does this mean in terms of the problem situation?
Answers: 1
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2. A sample of 20 OU freshmen had a GPA over all of their first semester classes of 2.8 with a varia...
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