62.5%. Or, if it is a fraction, then I believe it is in simplest form, Hope it helps!
I think A is ur best answer
Least-squares regression is used to find the equation of best fit of a linear model
The equation of the least-squares regression line for predicting GPA from the number of absences is
The given parameters are:
The equation of the least-squares regression line is represented as:
Where:
So, we have:
Substitute values for a and b in
So, we have:
Approximate
Hence, the equation of the least-squares regression line for predicting GPA from the number of absences is
Read more about least-squares regression at:
brainly.com/question/2141008
Answer:
y=3x +25
Step-by-step explanation:
First calculate the slope:
m = (y1 - y2)/(x1-x2)
m = (49 - 13)/(8-(-4))
m= 36/12 = 3
so we have
y = 3x + b
subtitute a point:
49=3(8) + b
b=25
the equation is y=3x +25