Statistics: Informed Decisions Using Data
For algebra-based Introductory Statistics Courses. This text is written to promote student success while maintaining the integrity of the course. Sullivan draws on his teaching experience and background in statistics and mathematics to achieve this balance. The four basic principles characterize the approach of this text; generating and maintaining student interest, promoting student success and confidence, providing extensive and effective opportunity for student practice and allowing for flexibly of teaching styles.
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F E 1 ER A L 1 5 1 3 2 Measures of Dispersion
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Approximate the probability binomial probability binomial probability distribution boxplot capita GDP cars cholesterol coefficient of determination column Compute the mean Compute the probability confidence interval critical value data set data value Deﬁnition degrees of freedom discrete random variable Draw a scatter error example females Figure ﬁrst following data represent formula frequency histogram highlight Interpret least-squares regression line level of significance linear correlation coefficient male mean and standard median Minitab normal probability plot normally distributed null hypothesis obtained outliers P-value percentile population mean population proportion population standard deviation predict predictor variable probability distribution probability histogram Problem randomly selected rate of return researcher residual response variable sample mean sample standard deviation sampling distribution scatter diagram Section simple events simple random sample Solution Source standard normal curve Step Suppose survey Table Test the claim Theorem tion variance versus weight Z-score