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DATA COLLECTION FOR DECISION MAKlNG
ORGANIZING AND PRESENTING DATA
MEASURES OF LOCATION AND SPREAD
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alpha level alternative hypotheses analysis of variance ANOVA appropriate null Assume binomial distribution calculated cars chapter chi-square claim conclude confidence interval estimate confidence level correlation coefficient customers database decision makers decision rule defective determine difference Discuss employees equal equation example Figure following data forecast frequency distribution GB-STAT hypothesis test independent variables indicate linear manager manufacturer measure MINITAB multiple regression normal distribution null and alternative null hypothesis ounces output phi coefficient point estimate Poisson Poisson distribution population mean prediction interval probability distribution PROBLEMS FOR SECTION production quality control random sample random variable regression analysis regression line regression model reject H0 relationship residuals sample data sample information sample mean sampling distribution scatter plot selected a random shows significant simple random sample SKILL DEVELOPMENT PROBLEMS standard deviation standard error statistical Suppose techniques tion trend trucks Type II error variation