You are testing the null hypothesis that there is no linear relationship between two variables, X and Y From your sample of n 18, you determine that b 1 4 5 and Sb 1 1 5 a What is the value of t STAT b At the a 0 05 level of significance, what are the critical values c Based on your answers to (a) ...

a H 0 1 0 H 1 1 0 Test statistic t STAT b 1 0 s b1 45 15 ...

You are testing the null hypothesis that there is no linear relationship between two variables, X and

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You are testing the null hypothesis that there is no linear relationship between two variables, X and Y. From your sample of n = 18, you determine that b₁ = + 4.5 and Sb₁ = 1.5.

a. What is the value of t_STAT?

b. At the a = 0.05 level of significance, what are the critical values?

c. Based on your answers to (a) and (b), what statistical decision should you make?

d. Construct a 95% confidence interval estimate of the population slope, β₁.

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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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Question Posted: Jul 16, 2015 09:53 PM

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