## Bancroft's introduction to biostatistics |

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### Contents

Introduction | 1 |

Distributions | 4 |

The Normal Distribution | 19 |

Copyright | |

17 other sections not shown

### Common terms and phrases

age group age interval age-specific analysis animals Answers to Problems antilog arithmetic mean assumed average binomial biologic birth blood calculated CFxy Chapter clinical column compared completely randomized design computed Correction factor correlation coefficient count cut-off point data of Table death rate degrees of freedom determined diabetes diagnosis dilution dose dying end of study equation estimate example experimental units Figure frequency distribution gamma globulin gastric ulcer geometric mean given graph hemoglobin hypertension increase indicate individuals interquartile range linear List of Answers logarithms lung cancer mean and standard measure median method midpoint mortality rates normal distribution null hypothesis number of deaths number of observations occurs pairs parameters patients persons Poisson Poisson distribution pooled standard deviation pooled variance population procedure proportion regression line relationship relative risk scale specific square standard error statistically significant survival tion total number treatment vaccine variation weighted mean x2 test zero