gonzalezalicianna328
gonzalezalicianna328 gonzalezalicianna328
  • 18-05-2020
  • Mathematics
contestada

What is the quadratic regression equation?

x 54 81 15 26 30 41 70 92 61
y 143 80 19 64 83 137 99 25 126

Round each coefficient in the equation to the nearest thousandth.

Respuesta :

MathPhys
MathPhys MathPhys
  • 28-05-2020

Answer:

y = -0.078 x² + 8.407 x − 92.892

Step-by-step explanation:

Use a calculator or spreadsheet to find the least squares regression equation.

Ver imagen MathPhys
Answer Link
sqdancefan
sqdancefan sqdancefan
  • 28-05-2020

Answer:

  y = -0.078x^2 +8.407x  -92.892

Step-by-step explanation:

Any of various graphing calculators, spreadsheets, or statistical analysis tools can give you the coefficients for a quadratic regression.

Attached is the output of a graphing calculator. Rounded to thousandths, the equation is ...

  y = -0.078x^2 +8.407x  -92.892

Ver imagen sqdancefan
Answer Link

Otras preguntas

PLEASE HELP SOON! The rescue of oiled wildlife impacted by the Deepwater Horizon oil spill continues to be an important mission for the Louisiana Department of
?Can someone help know what to underline
HELP HELP HELP!!! Why would an investor choose to invest in speculative stocks when he or she could invest in blue-chip stocks instead?
Find the length x (plz help giving BRAINLY)​
Find two numbers whose difference is 5 and sun of whose squares is 100. (I believe this is the quadratic formula!) I’m not sure how to go about it. If someone g
Equivalent form of -44>-2x-8>-8
The two triangles illustrated below are similar. What are the values of x and y?
The equation of the line is:
Which statement explains why the compass needle points in the direction it does?
Helpp,…,,,???,..,,………