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Unformatted text preview: #1. The key here is the number of samples being tested. Remember, we use z when there are more than 30 samples, a t when there is less than 30 samples. Also, note we are looking at a one sample test. #2. Note in this exercise we are testing two populations, and we are doing a two sample test with sample sizes of 40 and 45. #3. This exercise is given a set of values that are observed. Now all we need to do is see if the expected is consistent with the observed. #4. The hints are already in the exercise. . #5. Heres an exercise that is explained in the Week Five Lecture, Part 1. Go for it!!!!!...
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- Spring '10