1. Recallthat in question one of the assignment from the last tutorial, we standardized all the values for X (hours spent playing outside with friends) and Y (hours spent playing video games along) to produce Z_X and Z_Y (above). Recall further that standardized scores always have a mean = 0 and a standard deviation = 1 and have no effect on the correlation coefficient. Let's determine the regression line and equation for this example

From question 1 of previous question:

r = -0.3086

Sx = 3.9279

Sy =4.42426

This is the dataset