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What Is Statistics?
Summarizing DataFrequency Distributions and Graphic Presentation
Describing DataMeasures of Central Tendency
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05 level 05 significance level 95 percent alternate hypothesis ANOVA Appendix arithmetic mean bar chart base period binomial probability distribution central tendency chapter chi-square class frequencies class interval coefficient of determination column confidence interval correlation critical value cumulative frequency cumulative frequency polygon curve decision rule degrees of freedom difference employees example Exercises The answers F distribution formula frequency distribution geometric mean H0 is rejected histogram income increase independent variables indicates Interpret level of measurement level of significance mean number median midpoint million MINITAB monthly rentals normal distribution null hypothesis number of observations odd-numbered exercises one-tailed opportunity loss p-value payoff percent defective population mean portray Price Index problem production proportion quartile random sample range ranks regression equation Reject H0 relationship sample means scatter diagram Self-Review skewed square standard error Table test scores test statistic total number two-tailed test variance variation weight