Examlex
In testing for differences between the means of two related populations,the null hypothesis is
Sum Of Squares
A statistical technique used to measure the dispersion or variation within a data set, calculated by squaring each deviation from the mean and summing these squares.
Error
The difference between the observed value and the true value of a quantity.
Dependent Variable
In an experimental setting, the variable being tested and measured, presumed to change in response to variations in the independent variable.
Sample Correlation Coefficient
A numerical value that determines both the magnitude and direction of a straight-line association between two variables measured quantitatively in a given sample.
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