The Practice of Statistics
Name ________________________________ AP Stats/ _________Today’s Date:__________________ Date Due:___________________Chapter 12: More About Regression12.1 Inference for Linear Regression Give the equation for the sample regression line, and state what each component of the equation represents.When can we say a regression line is the true regression line?Summarize the conditions for regression inference: 3.Give the equation for the standard error about the least-squares line:4.How many degrees of freedom are there in regression inference?5.State the form of a confidence interval for the regression slope. Clearly state what each component of the equation represents.6.What is the most common hypothesis about the slope, when testing for a linear relationship? 7.Give the equation for the t-statistic used to carry out a significance test for regression slope.8.State and illustrate with diagrams, each of the possible alternative hypotheses for a significance test for regression slope ................
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