goodness of fit

Excel/SPSS How To: Chi-Square Test of Goodness of Fit

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This posting explains how to conduct Chi-square test of goodness of fit using Excel and SPSS. If you want a detailed explanation about the test itself, then, click this link Chi-square test of goodness of fit. Chi-Square formula and brief overview Here’s the formula for the Chi-Square (χ2): Here’s a simpler version: \[\chi^2 = \sum\frac{(O … Read more

Chi-Square Test of Goodness of Fit

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A nice link between the Descriptive Statistics (Frequency Table) and the Inferential Statistics (Chi-Square Test of Goodness of Fit) One of the concepts discussed early in the Introductory Statistics course is the Frequency Table, which describes the sample’s frequency (descriptive statistics). An inferential-statistics method that can be applied to such a frequency table is Chi-Square … Read more