An economic consultant gathered information on various cities. She obtained the percentage of people COVID positive on a given day and the percentage of people wearing masks on that same day. She assumed that the percentage of positive cases depends on the percentage of people wearing masks. She ran a regression and obtained the following output: Parameter Estimate Std. Err DF T-Stat P-value Intercept 4.78 8.43 22 0.488 0.06 % people -0.752 0.8 22 6.03 0.00 wearing masks What is the equation for the least-squares regression line? Oy = -4.78 + 0.752r Oy =0.752 - 4.78x O y = 4.78 + 0.752x O y = 4.78 - 0.752x