what is the difference between observed and expected can you determine the difference between observed and expected what are squared z values how to calculate squared residuals for observed/expected how to weight in categories by fisher's exact test? what is the difference between observed and expected in fishers exact test what is the coefficient of squared residuals for a category variance? what is the squared median for each category what is the statistic of the fishers exact test what is the standardized residuals of the Fisher's exact test what is the difference with expected and observed what is the difference between chi squared and z squared who is responsible for observed or expected variability how do you calculate sqr in fishers exact test what is a squared z value what category does the squared residual differ from expected what is the squared difference between expected and observed? why do you use fisher's exact test? what does the chi square mean in a squared z-values how to weight in categories with fishers exact