Chapter 2
Biostatistics: Introduction
生物统计学:概述
Biostatistics is the application of statistical methods to analyze data by conducting experiments to gather evidence and drawing conclusions based on ...
数据:类型和分布
In biostatistics, data refers to the collected observations that are subject to analysis. Data can be parametric or nonparametric.
Nonparametric data ...
中心趋势:分析
Measures of central tendency are descriptive statistical tools that describe the average or center of a data set.
These include mean, median, mode, and ...
可变性:分析
Measures of variability are vital in biostatistics for describing a dataset's dispersions and highlighting deviations between individual data points.
...
统计假设检验
A hypothesis is a proposed explanation or assumption about a population parameter that serves as the basis for testing and analysis.
The null hypothesis, ...
假设检验的准确性和误差
A hypothesis test starts with the assumption that the null hypothesis is true.
Two types of errors can occur in a hypothesis test. Type I error is the ...
分析参数数据的统计方法:方差分析
ANOVA, or Analysis of Variance, analyzes parametric statistical data by comparing means among multiple groups to determine their statistical ...
分析参数数据的统计方法:学生 t 检验和拟合优度检验
The Student t-test examines if there is a significant difference between the means of two groups.
It is suitable for data that follows a normal ...
假设检验中的统计推断技术:参数数据与非参数数据
Parametric statistical methods, like the Student t-test or goodness-of-fit test, assume that data follows a specific distribution, enabling robust ...
生物制药研究的类型:对照和非对照方法
Biopharmaceutical studies aim to study drug delivery and improved therapies using interdisciplinary knowledge.
Non-controlled studies, often used for ...
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