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Statistics and How They Are Used
Populations and Samples
Organizing and Displaying Data
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ANOVA bias binomial distribution blood glucose calculate central limit theorem Chapter chi-square test cholesterol cholesterol levels class interval compute confidence interval contingency table correlation coefficient critical region critical value death rates degrees of freedom determine disease distribution of sample equal equation estimate exact P value example Exercise expected frequencies F NV fail to reject females Figure frequency polygon Honolulu Heart Study independent infants males measure median mortality nonsmokers normal curve normal distribution null hypothesis number of observations obtained outcome pairs parameter percentile perform persons population mean probability proportion random sample randomly ranks regression line reject H0 reject the null relationship sample means SAT scores selected serum cholesterol significant difference standard deviation standard error statistician systolic blood pressure test of significance test statistic tion Total treatment type II error variables variation weight gain Wilcoxon Wilcoxon signed-rank test zero