STA 2023 Midterm: Statistical Methods I Test 3 [REVIEW]
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Ch. 8 test of hypothesis: null hypothesis or h0, a statement of equality about the parameter, examples, h0: 50, h0: p=. 3, alternative hypothesis or ha (also known as the research hypothesis, a statement of inequality ( ,. 3, test statistic, z= that"s an x bar** x . When you find that x=bar is larger then the thenthat should be acluethat you can"t sothat: rejection region (rr, gives unusual values of the test statistic if h0 is true, z= 2 is the cut off point in the tail of a bell curve. Use a larger value of because youwould not get the treatment that youneed. Look at ha ( , (upper tail test) Compare the . 359 to seeif it is small enough reject (p value is > .
