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H A P T E R 2 2 1 Types of Business Data
GRAPHICAL The Bar Chart Optional
Stem and Leaf Displays
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altemative alternative hypothesis Assume assumptions average binomial distribution binomial probability binomial probability distribution binomial random variable box plot brand calculate Chapter conﬁdence interval Construct consumer continuous random variables corresponding customers data set defective deﬁned describe determine diﬁerence discrete random variables equal error estimate example experiment exponential distribution ﬁgure ﬁnancial ﬁnd Find the probability ﬁrm ﬁrm's ﬁrst ﬁve graph income inference Ioumal large number leaf display manufacturer mean and standard median Minitab normal distribution normal random variable null hypothesis observed signiﬁcance level p-value percentage population mean probability distribution proﬁt proportion purchase random sample randomly selected rate of return Refer to Exercise rejection region relative frequency distribution relative frequency histogram sample mean sample statistic sampling distribution Section shown in Figure simple events speciﬁc standard deviation standard normal stem and leaf Suppose Table test statistic variance z-score