Curve Fitting: How well does the curve describe the data? (Inquiry Based)

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Submission Information
Authors	Trish Loeblein, Mike Dubson
Contact Email	patricia.loeblein@colorado.edu
School / Organization	PhET and Evergreen HS
Submitted	08/07/18
Updated	08/11/13
Contribution Description
Title	Curve Fitting: How well does the curve describe the data? (Inquiry Based)
Simulations	Mengepas Kurva
Keywords	chi squared, regression, correlation coefficient, phet activity, data
Description	This activity could be used in any course where students are asked to understand how well a curve describes a set of data. These are a few of the Learning Goals: Students will be able to: Explain how the range, 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
Level	High School, Undergraduate - Intro
Type	Lab
Subject	Chemistry, Physics, Mathematics
Duration	60 minutes
Answers Included	Yes
Language	English

	Content Level
Content Standard	K-4	5-8	9-12
Science as Inquiry - A
Physical Science - B
Life Science - C
Earth & Space Science - D
Science & Technology - E
Science in Personal and Social Perspective - F
History and Nature of Science - G

Gold Star contributions are high quality inquiry-based activities that follow the PhET design guidelines (PDF) and that teachers find useful.

Reason for nomination

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