Mathematics > QUESTIONS & ANSWERS > MATH221 Homework Week 7 BEST (All)

MATH221 Homework Week 7 BEST

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1A. Two variables have a positive non-linear correlation. Does the dependent variable increase or decrease as the independent variable increases? Dependent variable decreases Dependent variable inc re ... ases Cannot determine from information given Dependent variable would remain the same 1B. Two variables have a negative linear correlation. Does the dependent variable increase or decrease as the independent variable increases? Dependent variable increases Dependent variable decreases Dependent variable would remain the same Cannot determine from information given 2A. What does the variable ρ represent? The coefficient of determination The critical value for the correlation coefficient The sample correlation coefficient The population correlation coefficient 2B. What does the variable r represent? The population correlation coefficient The coefficient of determination The sample correlation coefficient The critical value for the correlation coefficient 3A. A golfer wants to determine if the type of driver she uses each year can be used to predict the amount of improvement in her game. Which variable would be the explanatory variable? The number of holes she plays The type of driver The rating of the golfer The improvement in her game 3B. A golfer wants to determine if the type of driver she uses each year can be used to predict the amount of improvement in her game. Which variable would be the response variable? The rating of the golfer The type of driver The number of holes she plays The improvement in her game [Show More]

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