The researchers in Exercise 11 decide to test the hypothesis that the means are equal. The degrees
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The researchers in Exercise 11 decide to test the hypothesis that the means are equal. The degrees of freedom formula gives 162.75 df. Test the null hypothesis at ( = 0.05.
In Exercise 11
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The differenceis 8 with an SE of 3115 so the tstat is 2569 With 16275 or ...View the full answer
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Related Book For 
Stats Data And Models
ISBN: 662
4th Edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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