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Author Question: If a data point is influential it (Read 447 times)

soccerdreamer_17

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on: Aug 30, 2019

Question 1

R-sq is a measure of ……
◦ the initial predicted starting point of the response variable when x is zero.
◦ the probability that the regression line makes a correct prediction.
◦ the proportion of the variability in the response variable that is explained by the explanatory variable.
◦ the percentage of the accuracy of the regression equation.
◦ the change in the y-variable that corresponds with the change in the x-variable.

Question 2

If a data point is influential it……
◦ has a small residual.
◦ none of these
◦ is guaranteed to be extreme in the vertical direction.
◦ is guaranteed to be extreme in the horizontal direction.
◦ will change the slope of the regression equation.
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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Marked as best answer by soccerdreamer_17 on Aug 30, 2019

LegendaryAnswers

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Reply #1 on: Aug 30, 2019
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soccerdreamer_17

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Reply #2 on: Aug 30, 2019
TY


LegendaryAnswers

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Reply #3 on: Aug 30, 2019
You're welcome


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