George Williams

George Williams

Mastering the Chi-Square Goodness of Fit

Mastering the Chi-Square Goodness of Fit

The Chi-square goodness of fit test is a non-parametric statistical test used to determine the extent to which observed values deviate from expected values. This test enables the comparison of an observed sample distribution with an expected probability distribution, assessing…

Chi-Square Test of Independence

Chi-Square Test of Independence

Chi-Square Test of Independence [Definition, Case Study, Assumptions and Limitations] The Chi-Square Test is a way to figure out if there’s a significant connection between two categories in a set of data. It checks if the categories are independent, making…