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What is Chi-Square Test: Method and Example about?

The chi-square test is used to determine if there is a significant difference between expected and observed frequencies in one or more categories. It calculates the sum of the squares of the differences between observed and expected frequencies divided by the expected frequencies. An example uses a contingency table and chi-square test to analyze data on children who contracted a disease. The null hypothesis that treatment was not effective is accepted since the calculated chi-square value is less than the

Author

Prasanth Kurien Mathew

Language

EN