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FREQUENCY DISTRIBUTIONS AND GRAPHING
CHARACTERISTICS OF DISTRIBUTIONS
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05 level analysis of variance assumptions average central tendency chapter class interval column computed consider constant correlation coefficient critical value decision rules degrees of freedom determine divided drug equal event example formula frequency distribution given grand mean graph group means group of scores independently sampled indicate interaction king level of significance levels of Factor measurement median non-directional test non-drugged animals nonparametric normal in form null hypothesis number of scores number of subjects obtained pairs of scores parameters percentile rank population distribution population mean predicted probability procedures randomly and independently ratio rats regression line reject H0 reject the null relationship researcher result sample mean sampling distribution sampling error scale score value significance level simply square root squared deviations SSAB standard deviation standard error standard normal distribution standard score sum of squares Suppose symbolized tion total number treatment effects Type I Error variability variance estimates zero