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Counting and measuring
Measures of central value
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01 level analysis of variance Appendix arithmetic mean average binomial binomial distribution biserial centile Chap class interval CM CM CM coefficient of correlation column combined comparison components composite computed contingency table corre correction corresponding criterion cumulative degrees of freedom derived determined diagram difference equal error variance example expected experimental F ratio F test factor frequencies given indicates individuals intercorrelations kind limits linear mathematical mean square measurements median method midpoint multiple normal curve normal distribution null hypothesis observations obtained one-tail test pairs Pearson percent percentage phi coefficient population mean prediction probability procedure proportion Psychology random sampling range ranks raw scores regression equation reject reliability represent sample mean sampling distribution sampling statistics scale significant skewed standard deviation standard error standard score statistics step sum of squares symbols tion two-tail test values variables weights zero