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Use an augmented matrix and row operations to find the inverse of
Correlation Coefficient
A numerical measure that indicates the extent to which two variables fluctuate together. A value closer to 1 or -1 indicates a strong relationship.
Best Fitting Line
A line drawn through a scatterplot of data points that best expresses the relationship between those points.
Covariance
A measure that indicates the degree to which two variables change together. If the variables tend to show similar behavior, the covariance is positive; if they show opposite behavior, the covariance is negative.
Standard Deviation
A system for measuring the degree of difference or spread in a set of figures.
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