Consider the following regression results based on 20 observations. Standard Error t Stat p-value Lower 95% Upper

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Consider the following regression results based on 20 observations.

Standard Error t Stat p-value Lower 95%

Upper 95%

Intercept 34.2123 4.5665 7.4920 0.0000 24.62 43.81 x1 0.1223 0.1794 0.6817 0.5041 − 0.25 0.50

a. Specify the hypotheses to determine if the intercept differs from zero. Perform this test at the 5% significance level.

b. Construct the 95% confidence interval for the slope coefficient. At the 5% significance level, does the slope differ from zero? Explain.

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Business Statistics Communicating With Numbers

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Authors: Kelly Jaggia

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Consider the following regression results based on 20 observations. Standard Error t Stat p-value Lower 95% Upper

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Business Statistics Communicating With Numbers

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