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Some Measures of Central Tendency
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05 level Advantages and Disadvantages analysis-of-variance test appropriate assumptions underlying cell central tendency chapter chi-square test coefficient column compared compute critical region critical value degrees of freedom determine distribution of scores equal example expected frequencies extreme outcomes Fisher's exact test formula frequency distribution independent samples individuals interpretation interquartile range interval level investigator job satisfaction Job-Satisfaction Scores Kolmogorov-Smirnov Kolmogorov-Smirnov test larger level of measurement level of significance Mann-Whitney measures of association median midpoints nominal-level null hypothesis Number of Cigarettes number of elements one-tailed test ordinal ordinal-level percent population probability problem proportion Q test randomization test ranks raw score reject the null related samples sample means sampling distribution skewed social research Spearman's rho standard deviation standard error statistical methods statistical procedures statistical techniques Suppose Table A.3 tests of significance tion total number two-tailed test unit normal distribution variables variance Wald-Wolfowitz runs test x2 value