Critical Value Tables
F Distribution Table
F Table for α = 0.10 (Click to zoom in)
F Table for α = 0.05 (Click to zoom in)
F Table for α = 0.025 (Click to zoom in)
F Table for α...
Critical Value Tables
Chi-square Distribution Table
The chi-square distribution table below shows the critical values for different probability levels (P) and degrees of freedom (DF).
Calculators
Mann-Whitney U Test Calculator
A Mann-Whitney U test is used to compare the differences between two independent samples when the sample distributions are not normally distributed and the...
Calculators
Confidence Interval Calculator
This calculator creates a confidence interval for a population mean using the following formula:
Confidence Interval = x +/- z*(s/√n)
where:
x: sample meanz: z-value...
Critical Value Tables
Mann-Whitney U Table
The following tables provide critical values for two tailed Mann-Whitney U tests for various levels of alpha.
For one-tailed tests, simply double the value of...
Calculators
Z Score Calculator
This calculator finds the standardized z-score for any raw value of X, a population mean, and a population standard deviation.
A z-score simply tells us...
Calculators
Interquartile Range Calculator
This calculator automatically finds the interquartile range for a given dataset.
Simply enter the comma-separated values of the dataset in the box below and then...
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