Does the data validate the normal probability distribution assumption? Do contingency table classification values matter? 1 Data were gathered in an experiment comparing the effects of three insecticides in controlling a certain 1. ANOVA species of parasitic beetle. Each observation represents the number of 2. Chi-square test of homogeneity such insects found dead in a certain fixed area treated 3. Chi-square test of independence with an insecticide. 4. Chi-square test of goodness of fit A multinomial probability distribution describes the distribution of counts across multiple levels of a variable. A special case is the binomial discrete probability distribution. For each level of a variable, which is common to multiple populations