Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Explore thousands of questions and answers from a knowledgeable community of experts ready to help you find solutions. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

how do you know whether to perform a linear regression or a quadratic regression for a given set of data

Sagot :

if you have a date set that changes linearly(in a line) then do a Lin reg if it appears to curve and is not one to one then do a quad reg. this is best done on your calculator

1. If the first difference is the same value, the model will be linear.

2. If the second difference is the same value, the model will be quadratic.