First-semester GPA\'s for a random selection of freshman at SUNY Delhi are shown
ID: 3054152 • Letter: F
Question
First-semester GPA's for a random selection of freshman at SUNY Delhi are shown below. 1.9 2.0 3.2 2.9 2.7 2.7 1.8 3.3 1.0 2.8 2.9 2.1 2.1 An admissions officer wants to test the claim that the mean first-semester GPA of SUNY Delhi freshman is greater than 2.0 On a piece of paper, write down the steps for the hypothesis test. Very carefully, type the data into L1 on your calculator, then hit STA TESTS2:T- Test for the Inpt, select "Data" Enter the appropriate information. Note: you will need the same data for the next problem, so do not delete it! In the space below, type in the t score that the calculator gives you. Round the t score to three decimalsExplanation / Answer
Using Minitab:
Click Stat > Basic Statistics > 1-Sample t
One-Sample T: sample
Test of ? = 2 vs > 2
Variable N Mean StDev SE Mean 95% Lower Bound T-value P-value
sample 13 2.415 0.658 0.183 2.090 2.276 0.021
Here p-value 0.021< 0.05 we reject the Null hypothesis.
Option b is correct.
Hope this will be helpful. Thanks and God Bless You :)
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