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Chi square test

This test aims to verify whether the observed absolute frequency of a variable is significantly different from the expected absolute frequency distribution. Chi-square test for a sample Applies when one wants to study the dependency between two variables through a double-entry table or also known as a contingency table.
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Challenge 105

Moving only one toothpick Difficulty Level: Move only one toothpick to form a square. Challenge 104 Clodovando's father and grandfather Challenge table of contents Next >> Challenge 106 Radigunda needs money
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