Business Statistics: A First Course

05 level annual costs Applying the Concepts arithmetic mean assumptions b₁ Big Ten Conference box-and-whisker plot chapter chart coefficient of variation confidence interval estimate critical value customers data set degrees of freedom determine developed diagram Equation evaluate event example exponentially smoothed Figure five-number summary following data represent forecasting frequency distribution grams H₁ histogram hypothesis test interpret its meaning interquartile range least squares level of significance linear trend median methods Microsoft Excel midhinge midrange Minitab moving averages normal distribution normal probability plot null hypothesis obtained ordered array p-value percentage distribution percentage polygon planned to purchase population mean predict Problems for Section quantile random sample random variable Referring to Problem reject sample mean sampling distribution selected set of data standard deviation standard error standard normal stem-and-leaf display student attending Suppose survey test statistic thousand dollars Type II error variance workers X₁