Parameter is any attribute
Statistic are the measured values of a parameter.
A statistic is a sample value such as the average height of a group of students.
A parameter is a functional constant such as the mean of a normal distribution.
Statistics are often used to estimate parameters. For instance, a sample average is an estimate of the mean.
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data classification in statistics
The difference between two variances
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Statistic is singular; statistics is plural. Statistic is a single data point. Statistics is the study of collections of related data points.
It is the difference between the highest and lowest value in a set of data.