Rochelle builds a linear regression to help her estimate her monthly entertainment spending based on the number of hours she works each week. Let y be the amount of money she spends on entertainment, and let x be the number of hours she works each week. She develops a regression that states that y=500−3.975x. The regression has an r2 of 0.9867. What can be stated about the correlation between Rochelle's monthly entertainment spending and the number of hours she works each week?
A) The data have a weak positive correlation.
B) The data have a strong positive correlation.
C) The data have a strong negative correlation.
D) The data have a weak negative correlation.
2 answers