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Error and Error Reduction
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05 level A5 See Table alternative hypothesis Assume assumptions binomial experiment calculated Central Limit Theorem chapter computed conclusions confidence interval contingency table Control group Control populations degrees of freedom dependent groups dependent variable determine deviation score Drug experiment Drug group effect Equation example expected frequencies extraneous variables Figure frequency distribution given in Table GSR scores histogram interaction linear tendency mean GSR measures null hypothesis number of scores obtained original scores outcomes pathology difference scores pathology prescores pathology scores percent percentile rank population mean population parameters prescores and postscores probability procedure Property proportion of area proportion of scores random number random sample reject H0 rejection region Repeat problem sample mean sample statistics sample variance sampling distribution scatter diagram set of scores social adjustment square standard normal distribution test statistic Theorem Therapy and Control Therapy experiment Therapy group tion Type I error type of student x2 distribution zero