# Curve Fitting

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Rulează
Folosiţi acest cod sursă pentru afişarea "Rulează" Polinoame Analiza erorilor Data PhET is supported by and educators like you.

### Subiecte

• Polinoame
• Analiza erorilor
• Data

### Descriere

Drag data points and their error bars and watch the best-fit polynomial curve update instantly. You choose the type of fit: linear, quadratic, or cubic. The reduced chi-square statistic shows you when the fit is good. Or you can try to find the best fit by manually adjusting fit parameters.

### Studii de caz

• Explain how the range and uncertainty and number of data points affect correlation coefficient and chi squared
• Describe how correlation coefficient and chi squared can be used to indicate how well a curve describes the data relationship
• Apply understanding of Curve Fitting to designing experiments

### Standards Alignment

#### Common Core - Math

HSS-ID.B.6
Represent data on two quantitative variables on a scatter plot, and describe how the variables are related.
HSS-ID.B.6a
Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models.
HSS-ID.B.6b
Informally assess the fit of a function by plotting and analyzing residuals.
Versiune 1.0.0

### Sfaturi pentru profesori

 Ghidul profesorului conține un sumar al elementelor de control ale simulării, modelul ideal, perspective asupra gândirii elevilor ( PDF ).

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Echipa de proiectare Alţi colaboratori Mulţumiri
• Michael Dubson (lead designer, original developer)
• Chris Malley (developer)
• Jonathan Olson (developer)
• Saurabh Totey (developer)
• Martin Veillette (developer)
• Trish Loeblein
• Ariel Paul
• Kathy Perkins
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