What if the research question in problem 7.2 were changed to Do seniors cut a significantly greater number of classes? How would the test change? (This wording implies a one-tailed test of significance. How would the research hypothesis change? For the alpha you used in problem 7.2, what would the value of Z(critical) be?)
What if the research question in problem 7.2 were changed to "Do seniors cut a significantly greater number of classes"? How would the test change?
(This wording implies a one-tailed test of significance. How would the research hypothesis change? For the alpha you used in problem 7.2, what would the value of Z(critical) be?)
(This wording implies a one-tailed test of significance. How would the research hypothesis change? For the alpha you used in problem 7.2, what would the value of Z(critical) be?)
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Related Book For 
The Essentials Of Statistics A Tool For Social Research
3rd Edition
Authors: Joseph F. Healey
ISBN: 9781111829568