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# Chi-Square Test

## Closeness of observed data to expected data of the model

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Chi-Square Test

This Concept demonstrates how to perform a goodness-of-fit test.

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## Chi Squared Statistic *

by biologyepisd //

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• Video

## Example of a Goodness-of-Fit Test

Shows how to run a test to determine whether a certain model fits the data in the sample.

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• Practice
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• Study Guide

## Chi-Square Test

by Danielle Pintz //basic

covers all aspects of a chi-square test

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## Table: Chi-Square Probabilities

A table of chi-squared probabilities.

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