How to Read Statistics |
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5TH 4TH 8TH 1ST actual analysis of variance bar graph boys central tendency chance chapter chi-square class intervals coefficient of correlation comparison computation correlation chart correlation ratio critical ratio Cumulative Frequency data of Table degrees of freedom determine difference ENROLLMENT example frequency distribution freshmen given high school illustration indicated individuals instance interpretation involved items of information large number mean deviation mean parameter mean statistic measures of dispersion measures of significance median method minus normal frequency curve null hypothesis number of degrees number of pupils number of samples obtained pairs per-cent level perfect correlation predictive factors probable error problem quantities quartile random samples regression equation regression line relationship represented result sampling distribution scale SCHOOL A SCHOOL SCHOOL B Figure score on Test scores earned shown in Figure standard deviation standard error standard score statistician teachers teaching technique tion total number total population trait variation wages words zero