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Chapter 9

# Chi-Square Distribution

## Abstract

This chapter discusses about the chi-square distribution. Basically chi-square distribution is the measure of which enables us to find out the degree of degree of discrepancy between the observed and expected frequencies. In this chapter we discuss the uses of chi-square test as a test for goodness of fit, as a test for independence of attributes and homogeneity chi-square.

### Keywords

Calculation of expected frequencies; chi-square distribution; mean of chi-square distribution; variance of chi-square distribution; conditions for using chi-square; test for goodness of fit; test for independence of attributes and homogeneity chi-square

## 9.1 Introduction

In this chapter we introduce chi-square distribution, the ...

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