Biologists studying the effects of acid rain on wildlife collected data from 172 streams in the Adirondack
Question:
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
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.
Transcribed Image Text:
1500 身* 250!I.i 2 1000 750 6.8 7.2 7.6 8.0 pH Variable Coefficient SE(Coeff) Intercept 2733.37 187.9 pH -197.69425.57
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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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