22. If the Pearson correlation coefficient r is equal to 1, then: a. There is a positive relationship between the two variables. b. There is no relationship between the two variables. c. There is a perfect positive relationship between the two variables.
_23. If the slope of the regression line is calculated to be 3.4 andthe intercept 12 then the value of Y when X is 7 is: a. 47.8 b. 35.8 c. 87.4
24. Which of the following values could not represent a correlation coefficient? a. r = 0.99 b. r = -0.73 c. r = 1.09
