Exam 15: Consumerism and Complementary and Alternative Medicine

The __________ measures the variation in the dependent variable that is explained by the set of independent variables in multiple regression.

Predict the number of wins for a team with the following data: Field goal percentage = 46.2% Three- point percentage = 36.0% Free throw percentage = 74.5% Turnovers per game = 14.4 Rebounds per game = 43.7 Assists per game = 20.9 Steals per game = 7.0

The 95% confidence interval for the regression coefficient for the Exp variable is _______ .

The predicted number of cars sold in a month for an employee with five years of sales experience, a base salary of $550, and an associate's degree is ________.

The number of teams that were included in the sample is _______.

The F- test for the overall regression model does not tell us which of the independent variables are statistically significant.

Which group of independent variables is significant in this model using α = 0.05?

The mean square regression is found by dividing the sum of squares regression by the number of independent variables minus one (k - 1).

Which one of the following statements is true concerning the 95% confidence interval for the regression coefficient for the PPG variable?

In general stepwise regression, once an independent variable enters the model, it cannot leave the model at a later step.

The F- test statistic for the overall regression model is _____.

The 95% confidence interval for the average number of cars sold per month by employees with seven years of experience, a salary of $400 per week, and a bachelor's degree is ______.

Which one of the following statements describes the results of the hypothesis test for the overall regression model using α = 0.05?

The test statistic for testing the significance of the Age variable is _______.

The predicted number of cars sold in a month for an employee with seven years of sales experience, a base salary of $400, and a bachelor's degree is _______.

General stepwise regression uses the Cp statistic, which measures the difference between the true population model and the regression model derived from the sample data.

The predicted number of wins in a season for a team that averages 7.0 penalties per game, averages 20.0 points per game, and has a turnover differential of - 5 is _____.

Using forward selection regression will always result in a model in which all of the independent variables are statistically significant.

The reason that none of the remaining independent variables were included in the model is that _____.

The degrees of freedom for the critical value to test the significance of the regression coefficients using α = 0.05 are _____.