(2x2 − x) + (x2 + 3x − 1)
1 answer:
You might be interested in
Answer:
Option B
Step-by-step explanation:
Given that the regression equation using least squares for test scores and student teacher ratio is
Test Score = 557.8 + 36.42 In (Income).
Say if 1% income is increased.
Let income be 100
New income = 101
Then we have
Test score original =
Test score new income
=
Increase = 0.362~0.36
Option B is right.