Topic: Quadratic Regression
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Answers to Common Questions
How to find quadratic regression?
Before performing the quadratic regression, first set an appropriate viewing rectang... Read More »
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What is the quadratic regression formula
The quadratic formula is x=(-b+/-sqrt(b^2-4ac))/(2a). ...MORE... Read More »
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What is the definition for a quadratic regression line?
It is a smooth curve fitted to the set of paired data in regre... Read More »
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Answers to Other Common Questions
"Here are two functions used for finding the quadratic regression line": http://www.programmersheaven.com/mb/CandCPP/233556/233556/non-linear-regression/ Further information: http://home.ubalt.edu/ntsbarsh/Business-stat/otherapplets/QuadReg...
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Actuary. They use data to predict trends for insurance companies, for example. Like how long people born in a certain year, or in a particular region, would be expected to live, or how many traffic accidents they will have, or what it will ...
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The derivation of regression parameters follows from applying "a least squares analysis" or minimizing the square of the error from an assumed curve (ax^2 + bx + c in your case). The formulas are derived using calculus and then are applied ...
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The quadratic regression is y = a x^2 + b ...
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you did say quadratic, not linear, didn't you: Y(x) = ax^2 + bx + c a = 0.40000 b = -40.00000 c = 1180.00000
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You need to do an Hypothesis Test!
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Hello, I'm assuming that you are using a TI-83 or TI-84. Here are the steps: -First, we must assume that you have your points placed in the scatter plot. That is, under STAT>>EDIT, you have placed points in the L1, L2, etc. columns -2nd>>QU...
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Source: http://answers.yahoo.com/question/index?qid=20081207153121AAwpavc
