Ten pairs of variables x and y were collected to determine if there is sufficient evidence to
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Ten pairs of variables x and y were collected to determine if there is sufficient evidence to indicate that x and y have a negative linear relationship at the 5% significance level. The regression analysis results in bn 1 = 1.1909, s = 3.0018, SSxy = 370.9, and r@value = .0000607.
a. Specify the null and alternative hypotheses to test whether the data provide sufficient evidence to indicate that x and y have a negative linear relationship.
b. Make an appropriate conclusion for your analysis.
c. Construct a 95% confidence interval for the slope parameter. Interpret your result.
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Related Book For
Statistics For Business And Economics
ISBN: 9781292413396
14th Global Edition
Authors: James McClave, P. Benson, Terry Sincich
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