If the correlation coefficient r is equal to 1 thenwhich of

If the correlation coefficient, r, is equal to -1, thenwhich of the following is not true?

a. 100% of the variation among the y\'s can be attributed to the relationship with x

b. large values of y are associated with large values of x

c. the least-squares line has a downward slope

d. the data points all fall on a staight line

Solution

(B) is false, since correlation is negative, large values of y are associated with small values of x.

Rest are true.