Answer:
D. y= 555.5
Step-by-step explanation:
We are given,
The quadratic regression equation is [tex]y=0.008x^2+0.518x+131.886[/tex]
It is required to predict the y-value, when the x-value is 200.
Substituting x= 200, we get,
[tex]y=0.008x^2+0.518x+131.886\\\\y=0.008\times 200^2+0.518\times 200+131.886\\\\y=0.008\times 40000+0.518\times 200+131.886\\\\y=320+103.6+131.886\\\\y=555.5[/tex]
Thus, the predicted y-value is 555.5 when x= 200.
So, option D is correct.
