A decision maker is considering constructing a multiple ...

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A decision maker is considering constructing a multiple regression model with two independent variables. The correlation between x1 and y is 0.70, and the correlation between variable x2 and y is 0.50.
 
  Based on this, the regression model containing both independent variables will explain 74 percent of the variation in the dependent variable. Indicate whether the statement is true or false

Question 2

When regression analysis is used for descriptive purposes, two of the main items of interest are whether the sign on the regression slope coefficient is positive or negative and whether the regression slope coefficient is significantly different from
 
  zero. Indicate whether the statement is true or false

[tuwy]

Answer to Question 1

FALSE

Answer to Question 2

TRUE

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