A First Course in Statistics |
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alternative hypothesis approximately normal Assume assumptions average binomial probability binomial random variable box plot brand calculate confidence interval corresponding data provide sufficient data set Describe determine discrete random variable drug equal estimate evidence to indicate example Find P(x Find the probability formula graph independent samples inference large number large-sample leaf display LEARNING THE MECHANICS mean and standard mean number measurements median mileage Minitab mound-shaped n₁ n₂ normal distribution normal random variable null hypothesis observed significance level obtain p-value P(AB paired difference experiment parameter patients percentage population mean procedure proportion provide sufficient evidence purchase randomly selected rank sum Refer to Exercise rejection region relative frequency histogram sample mean sample space sample statistics sampling distribution Section shown in Figure simple events SOLUTION standard deviation stem and leaf student Suppose Table test statistic toss two-tailed variance Venn diagram z-score μ₁ σ²