## Barron's AP StatisticsSix full-length Advanced Placement practice Statistics exams are presented in this manual with all questions answered and explained. Equally valuable to prospective test takers is the author's 15-chapter topic review, covering virtually everything they will encounter on the actual exam. Topics for review are divided into four general themes: Exploratory Analysis, Planning a Study, Probability, and Statistical Inference. Additional multiple-choice and free-response questions with answers are presented at the end of all 15 chapters. Detailed appendices include exam-taking advice, an AP scoring guide, a guide to basic uses of TI-83/TI-84 calculators, and more. |

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### Contents

Exploring Bivariate | 71 |

Dotplots bar charts histograms cumulative FreeResponse Questions and Answers | 88 |

frequency plots stemplots center and spread | 115 |

PLANNING A STUDY | 131 |

Comparing Topic Seven Planning | 139 |

Planning and MultipleChoice Questions and Answers 247 | 155 |

units and randomization completely randomized sampling distribution of a sample mean central | 259 |

PROBABILITY 175 MultipleChoice Questions and Answers | 274 |

standard deviation for sums and differences | 323 |

approximation to the binomial checking | 337 |

normality FreeResponse Questions and Answers | 351 |

Tests | 367 |

MultipleChoice Questions and Answers | 381 |

FreeResponse Questions and Answers | 388 |

Practice Examinations | 405 |

Appendix | 581 |

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Answers Explained AP Statistics approximately normal average bias binomial boxplots calculate chance chi-square claim Complete Answer complete set conclusion confidence interval estimate control group correlation difference dotplot equal essentially correct evidence to reject exam example expected value experiment following are true free throw given gives the complete graph greater histogram hypothesis test independent interquartile range linear lurking variable math mean and standard median Minimal Answer normal curve normal distribution Note null hypothesis observational study outliers P-value partially correct percentage placebo player population proportion probability procedure question or completes random number table random variable randomly regression line reject H0 relationship residual plot salary sample means sample proportion sampling distribution scatterplot scores set of true significance level simple random sample skewed slope standard deviation stemplot Substantial Answer sufficient evidence Suppose survey symmetric tion treatment true responses true statements Type II error variance versus z-score