Examlex
The opposite of -3 is 3.
Least Squares
A mathematical method used to determine the best-fitting line through a set of data points by minimizing the sum of the squares of the differences between observed and estimated values.
Standard Deviation
A measure of the dispersion or variability of a set of data points around the mean, indicating how spread out the data points are.
SPSS
Statistical Package for the Social Sciences, a software package used for data management and statistical analysis.
T Test
A statistical test used to compare the means of two groups and determine if they are significantly different from each other.
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