Summary Statistics Calculator
Calculators
Normalization Calculator
We can normalize values in a dataset by subtracting the mean and then dividing by the standard deviation. This is also known as converting...
Calculators
Class Width Calculator
In a frequency distribution, class width refers to the difference between the upper and lower boundaries of any class or category. It is calculated...
Calculators
Relative Frequency Calculator
A frequency table is a table that shows how many times certain values occur in a dataset.
A relative frequency table is a table that...
Calculators
Three Sigma Calculator
The standard deviation is a common way to measure how “spread out” data values are. In statistics, the standard deviation is often referred to...
Calculators
Empirical Rule Calculator
The Empirical Rule, sometimes called the 68-95-99.7 rule, states that for a given dataset with a normal distribution:
68% of data values fall within one...
Calculators
Outlier Calculator
An outlier is defined as any observation in a dataset that is 1.5 IQRs greater than the third quartile or 1.5 IQRs less than...
Calculators
Skewness and Kurtosis Calculator
Skewness is a measure of the asymmetry of a dataset or distribution. This value can be positive or negative. A negative skew typically indicates...
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