Answer:
Step-by-step explanation:
56
Step-by-step explanation:
I think geomatory box is also similar to original figure
Answer:
1) B. on, 2) D. 19.2, 3) C. 0
Step-by-step explanation:
1) The value of y according to the regression line is:


Hence, the point (8,19.2) is <em>on </em>the least-squares regression line.
2) The value of y according to the regression line is 19.2.
3) The residual is the difference between the value from the regression line and the real value. In this case, the residual value is 0.
Answer:
7
Step-by-step explanation:
if : n = 2 : 15 - n = 15 - 8 = 7