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Question 1206293: https://ibb.co/ns66k9Z
Enter the quadratic regression equation. Round to the nearest thousandths place.
y = ___x^2 + ___x + ____
Found 2 solutions by ikleyn, MathLover1:
Answer by ikleyn(52782)   (Show Source):
You can put this solution on YOUR website! .
Go to web-site
https://www.emathhelp.net/en/calculators/probability-statistics/quadratic-regression-calculator/
Use free of charge online calculator there, specially developed and intended for finding best fitting parabolic curves.
Input your data and click the "Calculate" button.
You will get the answer next instance.
The calculator will provide it with great precision (ten or more decimal places for coefficients).
It will also explain you the methodology which it uses, and will provide all necessary formulas,
so it is like a self-sufficient textbook on the method, at the same time.
Answer by MathLover1(20850)  (Show Source):
You can put this solution on YOUR website! given:
X-values: 2.99,5.25,10.39,18.50,21.00,23.50,29.99,35.99,39.00
Y-values: 1599.89,2632.16,4546.05,5907.14,5932.43,5756.25,4442.99,2451.56,525.00
using Quadratic Regression Calculator:https://www.emathhelp.net/en/calculators/probability-statistics/quadratic-regression-calculator/?xs=&ys=
put in given values and you will get:
https://www.emathhelp.net/en/calculators/probability-statistics/quadratic-regression-calculator/?xs=2.99%2C5.25%2C10.39%2C18.50%2C21.00%2C23.50%2C29.99%2C35.99%2C39.00&ys=1599.89%2C2632.16%2C4546.05%2C5907.14%2C5932.43%2C5756.25%2C4442.99%2C2451.56%2C525.00
as you can see, equation is:
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