Please select the best answer from the choices provided

Mathematics

2 answers:

mamaluj [8]3 years ago

7 0

Answer:

D. y= 555.5

Step-by-step explanation:

We are given,

The quadratic regression equation is $y=0.008x^2+0.518x+131.886$

It is required to predict the y-value, when the x-value is 200.

Substituting x= 200, we get,

$y=0.008x^2+0.518x+131.886\\\\y=0.008\times 200^2+0.518\times 200+131.886\\\\y=0.008\times 40000+0.518\times 200+131.886\\\\y=320+103.6+131.886\\\\y=555.5$

<h3>Thus, the predicted y-value is 555.5 when x= 200.</h3>

So, option D is correct.

Rama09 [41]3 years ago

5 0

The answer would be D: y=555.5, because y for x=175 is 470.4, and y goes up with the x.

You might be interested in

Employees at the hardware store are receiving pay raises. Dan’s hourly pay rate is increasing from $12 to $14 and Kathy’s hourly

andrew11 [14]

Answer:

12/14 x 100% = 85.7%

100% - 85.7% = 14.3% increase for Dan

13/15 x 100% = 86.7%

100% - 86.7% = 13.3% increase for Kathy

5 0

2 years ago

Read 2 more answers

The data plots represent the hours students study each week in two different classrooms. The mean number of hours a student in

GalinKa [24]

Answer:

Sorry, If this late but here's the answer. The data plots represent the hours students study each week in two different classrooms. The mean number of hours a student in Mr. Hart’s class studies is 4.6 hours. The mean number of hours a student in Ms. Perry’s class studies is 2.8 hours. A typical student in Mr. Hart’s class studies More than a typical student in Ms. Perry’s class. Good Luck!

$_{Itsbrazts}$