Question

Asked Nov 12, 2019

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I need help finding the answer on the TI84 Plus CE and on paper ?. Thank you

Step 1

Alternate hypotheses Ha are generally the claims we are testing. Our claim is that the mean GPA<2.8.

H0: Mean = 2.8

Ha: Mean <2.8

Step 2

From the alternate hypotheses, we can see that the test is one-sided. The sign of hypothesis claim tells us if the test is left-sided or right-sided.

< sign hints at left-sided test

> sign means right-tailed test

Step 3

Test statistic can be calculated ...

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