The test statistic for analysis of variance is the F ratio Samples (not necessarily of the same size) are randomly and independently selected from each population

Samples (not necessarily of the same size) are randomly and independently selected from each population, and All populations of interest are normally distributed,

one-way ANOVA — a method of testing whether the means of three or more populations are equal; the method is applicable if all populations of interest are normally distributed, the populations…. analysis of variance — also referred to as ANOVA; a method of testing whether the means of three or more populations are equal The method is applicable if all populations of interest are normally…. variance — mean of the squared deviations from the mean; the square of the standard deviation For a set of data, a deviation can be represented as x - x ¯ where x is a value of the data and…. same size) — randomly and independently selected from each population.