29. The correlation coefficient “r” is expressed as a number between ____________________ and ___________.

a. 1.00, –1.00

b. 0.50. –0.50

c. 2.00, –2.00

d. 1.50, –1.50 30. Based on the output above, ____________________ of the variation in safety scores is explained by time spent in training.

a. 83.10%

b. 80.81%

c. 80.14%

d. 69.28%