Calculators
Trimmed Mean Calculator
A trimmed mean is the mean of a dataset that has been calculated after removing a specific percentage of the smallest and largest values...
Calculators
Power Regression Calculator
This calculator produces a power regression equation based on values for a predictor variable and a response variable.
This equation takes on the following form:
y...
Calculators
Shannon Diversity Index Calculator
The Shannon Diversity Index is a way to measure the diversity of species in a community.
To calculate this index for a given community, simply...
Calculators
Type II Error Calculator
A type II error occurs in hypothesis tests when we fail to reject the null hypothesis when it actually is false. The probability of...
Calculators
Hedges’ g Calculator
Hedges’ g is a way to measure effect size, which gives us an idea of how much two groups differ. It is used as...
Calculators
G-Test of Goodness of Fit Calculator
A G-test of Goodness of Fit is used to determine whether or not a categorical variable follows a hypothesized distribution.
To perform a G-test...
Calculators
Grand Mean Calculator
A grand mean is calculated as the average of the means of several groups.
To calculate the grand mean, simply enter the data values for...
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