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Certain tests ( Ism V6 Windows 7. e.g. ANOVA) require that the variances of different populations are equal. This can be determined by the following approaches: • Comparison of graphs (esp. Suhr Guitar Serial Number more. Box plots) • Comparison of variance, standard deviation and IQR statistics • Statistical tests The F test presented in can be used to determine whether the variances of two populations are equal. Photoimpact 4.2 Free Download. For three or more variables the following statistical tests for homogeneity of variances are commonly used: • Levene’s test • Fligner Killeen test • Bartlett’s test Using the terminology from Definition 1 of, the following null and alternative hypotheses are used for all of these tests: H 0: = = ⋯ = H 1: Not all variances are equal (i.e. ≠ for some i, j) Topics: • • • •. Sir, I have conducted a experiment as two randomized complete block design ( 2 RCB) with different fertilization treatments, including control (no fertilizer application), PK, NK, NP and NPK fertilization with four replications at one location for four seasons (2 dry seasons and 2 wet seasons).