Biologists studying the effects of acid rain on wildlife collected data from 172 streams in the Adirondack
Question:
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And here is part of the regression analysis:
Dependent variable is BCI
R-squared = 27.1%
s = 140.4 With 163 €“ 2 = 161 degrees of freedom
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a) State the null and alternative hypotheses under investigation.
b) Assuming that the assumptions for regression inference are reasonable, find the t- and P-values.
c) State your conclusion.
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a H 0 There is no linear relationship between BCI and pH 1 0 H A There is a ...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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