Question

Find the linear regression equation that models data and determine the approximate test score of a student an average 7.5 hours a night

Answer 1

The linear regression takes the form y=mx+c

Below is the table plotted on desmos

Also the graph plotted with the points

model showing your values

from the model above:

Answer 1.

y= 7.60417x + 24.5312

Answer 2.

where x= 7.5 hours

y = 7.60417 (7.5) + 24.5312

y= 81.562475 score.