Question 1
Two variables have a negative non-linear correlation. Does the dependent variable increase or decrease as the independent variable increases?
A)Dependent variable would remain the same
B)Dependent variable increases
C)Dependent variable decreases
D)Cannot determine from information given
Question 2
What does the variable r represent?
A)The sample correlation coefficient
B)The population correlation coefficient
C)The critical value for the correlation coefficient
D)The coefficient of determination
Question 3
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?
A)The improvement in her game
B)The rating of the golfer
C)The type of driver
D)The number of holes she plays
Question 4
Two variables have a negative linear correlation. Is the slope of the regression line between these two variables positive or negative?
A)Negative. As one variable increases, so does the other
B)Negative. As one variable increases, the other decreases
C)Positive. As one variable increases, the other decreases
D)Positive. As one variable increases, so does the other
Question 5
A value of the slope of the regression line would be given the notation of:
A)r
B)m
C)b
D)r2