The researchers in Exercise 11 decide to test the hypothesis that the means are equal. The degrees
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In Exercise 11
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Walmart Target 85 y$45 $53 s $21 $19 80
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The difference is 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: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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