The value 13.5 represents the of the graph of the following linear regression equation. y = 5.2 + 13.5 a. residual b. slope c. y-intercept

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,