1. The Coefficient of Determination is * a. the percent of variance in the dependent variable...

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1. The Coefficient of Determination is *
a. the percent of variance in the dependent variable that can beexplained by the independent variable
b. the ratio of the variance of Y to the variance of Y for aspecific X
c. a measure of how strong the linear relationship is betweenthe explanatory and response variables
2.
The null hypothesis for a regression model is state as *
a. beta_1=0: there is no relationship
b. beta_1 > 0: there is a positive relationship
c. rho=0: there is no relationship
d. rho < 1: there is a negative relationship
3.Choose the best interpretation of eta_{0} *
a. the sample correlation between x and y
b. the change in y as x increases by 1 unit
c. the amount of uncertainty remaining after fitting themodel
d. the value of y when all x's are zero
4.Linear regression analysis is used to assess the relationshipbetween what two types of measurements? *
a. quantiative; quantitative
b. categorical; categorical
c. quantitative; categorical

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1 The Coefficient of Determination is a the percent of variance in the dependent variable that can be explained by the independent variable The coefficient of determination is a measure in regression analysis that assesses how well a model See Answer

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