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Measures of Central Tendency
Percentiles and Percentile Curves
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72 Variables 9 Proportional Area Under Curve arithmetic Calculate the mean cent column diagram correlation chart criterion variable data of exercise decimal places difference Equation predicting variable error of estimate error of measurement exercise 27 exercise 38 find the mean formula frequency polygon frequency table Garrett given in exercise guessed mean Holzinger illustrate intelligence test interval of five mantissa maximum ordinate McCall mean deviation median mid-score Mills multiple correlation coefficients normal curve normal distribution number of partials number of possible number of R's number of variables Odell order correlation coefficients Otis percentile curve percentile rank primary subscripts probable error problem solving pupils quartile range Questions References regression equations reliability coefficient Rugg scale secondary subscripts short method sigma distance square root standard deviation standard error Statistical Subtract T-score tabulated tally marks third order Thurstone total number zero order correlation