1. (used with a sing. verb) The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling.
2. (used with a pl. verb) Numerical data.
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It is a value of a test statistic based on the Student's t distribution.
The test statistic is a measure of how close the sample proportion is to the null value.
A point estimate is a single value (statistic) used to estimate a population value (parameter)true apex
It is the test statistic.
Usually the F-statistic.