Match problems to procedures. Question 10 options: Does the data validate the normal probability distribution assumption? A multinomial probability distribution describes the distribution of counts across multiple levels of a variable. For each level of a variable, which is common to multiple populations, are the distributions the same. Data were gathered in an experiment comparing the effects of three insecticides in controlling a certain species of parasitic beetle. Each observation represents the number of such insects found dead in a certain fixed area treated with an insecticide. Do 2-way table classification labels matter? 1. ANOVA 2. Chi-square test of homogeneity 3. Chi-square test of independence 4. Chi-square test of goodness of fit