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 How to Calculate 4-Parameter Sigmoidal Curve?

Answer A four-parameter logistic (4PL) is best used when analyzing a sigmoidal, or S-shaped curve, a low-response curve or a high-response curve. If the curve is not symmetrical then it is better to use a... Read More »
http://www.ehow.com/how_8003432_calculate-4parameter-sigmoidal-curve.html

Top Q&A For: How to Calculate 4-Parameter Sigmoidal Curve

How to Calculate a Grade Curve?

When scores on a test are not as high as expected, using a grade curve can help compensate for that. Grading on a curve allows grades to be calculated relative to each other instead of a standard t... Read More »
http://www.ehow.com/how_8179226_calculate-grade-curve.html

How to Calculate the Chord of a Curve?

Trigonometry is a branch of mathematics that most students encounter for the first time in high school. It is right triangle geometry. The first trigonometric tables were produced by Hipparchus, wh... Read More »
http://www.ehow.com/how_8145349_calculate-chord-curve.html

How to Calculate Yield Curve?

Yield curve is the difference in interest rates for bonds that have the same risk but different maturity dates. This means that yield curve can partially predict the future activity of the economy ... Read More »
http://www.ehow.com/how_6826782_calculate-yield-curve.html

How to Calculate the Curve for a Test Score?

You can learn more about how you and the rest of the class did on a test if you know the curve of your test score. The curve will tell you your raw score as well as letting you know how much a teac... Read More »
http://www.ehow.com/how_8095204_calculate-curve-test-score.html


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