Using a calculator and considering the given data, the quadratic regression equation that best fits the given data is:
y = -0.002x² - 2.051x + 31.179
<h3>How to find the equation of quadratic regression using a calculator?</h3>
To find the equation, we need to insert the points (x,y) in the calculator of quadratic regression.
In this problem, the points to be inserted are as follows:
(0, 31), (1,29), (2, 28), (4,22), (6,19), (10, 11), (11,8).
Inserting these points, the equation is given by:
y = -0.002x² - 2.051x + 31.179
More can be learned about regression equations at brainly.com/question/27895782
#SPJ1
