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                        Two sets

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                        These commands measure the relationship between data pairs.

                        • The data set must be entered as a list of pairs. The list must be enclosed by curly brackets {}. The couples must be surrounded by regular parentheses (). Additionally, you can plot these paired data sets.
                        Relationship between two sets of paired data
                        This is the base for the correlation coefficient. It has the same sign.
                        Pearson correlation coefficient. It determines whether there is a linear relationship between the paired data.
                        It gives the line equation that better fits the cloud of data. It finds the best y=a+bx.
                        It fits the data to a power function. It finds the best y=axb.
                        It fits the data to an exponential function. It finds the best y=aebx.
                        It fits the data to a logarithmic function. It finds the best y=a+ln(bx).

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