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I am doing problem #45 (ch.8) and in the answer key it says that the test stat is 0.45. However, I am getting the test stat to be -2.236. Not sure what I am doing wrong. Thanks

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Professor McGukian

Hi Shirley,

Here is a video explaining this problem. I hope it helps, but if you still have a question respond below.

 

Professor McGuckian

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