a
(alpha,又称为
a
水平)
如果原假设为真,但否定了原假设,则发生类型 I 错误。发生类型 I 错误的概率称为阿尔法 (
a
),有时也称为显著性水平。
相关图表工具
常用统计图形在线生成工具:
Pareto Chart
Bar Chart
Box Plot
Histogram
Line Chart
Scatter Plot
Time Series Plot
Function Grapher
Normal Distribution Graph
Normal Probability Plot
实用工具:
Calendar with weeks
Public Holidays by Countries / Regions
Timer & Countdown
Date Calculator
World Clock & Time Zones