Answer:
So, where is the question that you are talking about?
Answer:
-2
Step-by-step explanation:
In a linear regression model we have the equation that relates and , where is the estimator of the slope and is the estimator of the Y-intercept. The coefficients and can be estimated with the equations:
. Thus,
2/5, the formula is art over swimming, 16/40, then simplify 2/5
Solve for n by simplifying both sides of the equation, then isolating the variables.
n=54
Hope I helped
Check the picture below.
make sure your calculator is in Degree mode.