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H A P T E R O N
CHAPTER 1 What is Statistics?
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05 level alternate hypothesis ANOVA arithmetic mean average base period binomial distribution binomial probability distribution C H A R T chapter chi-square class frequencies class interval coefficient of determination confidence interval critical value cumulative frequency cumulative frequency polygon curve decision rule degrees of freedom difference employees example EXERCISES The answers formula frequency distribution histogram income independent variables large number level of measurement level of significance median method million MINITAB monthly rentals normal distribution null hypothesis odd-numbered exercises opportunity loss payoff percent defective plot population mean Portray price index problem production proportion R E V random sample ranks Refer to Exercise Region of acceptance Region of rejection regression equation relationship S E L F sample means scatter diagram skewed standard deviation standard error T A B L E Table test scores test statistic tion total number variance variation weight