Summary Statistics Calculator
Calculators
Cronbach’s Alpha Calculator
Cronbach’s Alpha is a way to measure the internal consistency of a survey or questionnaire.
Cronbach’s Alpha ranges between 0 and 1, with higher values...
Calculators
Covariance Matrix Calculator
This calculator creates a covariance matrix for up to five different variables.
Simply enter the data values for up to five variables into the boxes...
Calculators
Correlation Matrix Calculator
This calculator creates a correlation matrix for up to five different variables.
Simply enter the data values for up to five variables into the boxes...
Calculators
90th Percentile Calculator
The 90th percentile of a dataset is the value that cuts off the first 90 percent of the data values when all of the...
Calculators
Semi-Interquartile Range Calculator
The semi-interquartile range is a way to measure the spread of observations in a dataset. It is calculated as one half the distance between...
Calculators
Cumulative Frequency Calculator
Cumulative frequency is a measure of the total frequencies up to a certain point in a list of data values.
To calculate the cumulative frequency...
Calculators
Median Absolute Deviation Calculator
The median absolute deviation, often abbreviated MAD, measures the spread of observations in a dataset. It is calculated as:
MAD = median(|xi – xm|)
where:
xi: The...
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