Unit 8 Overview

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Readings

Topic 27 in the Workshop of Statistics

Topic 15 in Barron’s AP Statistics

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Homework

Workshop of Statistics: 4, 5, 6, 8, 9, 12, 15

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Terms

linear regression

plot and interpret

numerical summary

mathematical model

predictions

parameters

statistics

true regression line

degrees of freedom

regression model

unbiased estimators

standard error about the least-squares line

residuals

confidence intervals for regression slope

testing the hypothesis of no linear relationship

t statistic

regression conditions

residual plot

multiple regression

confidence intervals for the mean response for any fixed value of x

prediction intervals for an individual response y for a fixed value of x

hypotheses

technology