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
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