## Success at Statistics: A Worktext with Humor |

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### Contents

Descriptive Statistics 1 Descriptive Versus Inferential Statistics | 1 |

Scales of Measurement | 7 |

Frequencies Percentages and Proportions | 13 |

Copyright | |

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### Common terms and phrases

05 level Attempting Worksheet average beside the answer biased biased samples calculate compute confidence interval consider correlation coefficient critical value decimal places degrees of freedom descriptive statistics determine DIRECTIONS equal example Figure find the answer formula frequency distribution GPAs histogram independent data indicates inferential statistics interquartile range median multiply normal curve normal distribution null hypothesis observed value obtained one-tailed test percentage person population mean probability putting one word raw score reject the null relationship research hypothesis result Review Before Attempting riddle sampling errors scattergram score interval second question second word selected set of scores simple random sampling skewed solution section space immediately standard deviation units standard error standard scores statement true statistically significant subtract symbol Table Terms to Review tion true or false two-tailed test unlikely event value of F variable variance word beside word in parentheses Write the answer z-score zero