Now let’s examine the correlation between Chevron’s (CVX) stock, crude oil, and natural gas prices. The correlation coefficient shows the relationship between two variables. A correlation coefficient ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

For 2 × k contingency tables, we consider the statistic r*, the maximal correlation between the row and column variables, where the maximum is taken over all possible sets of scores (or "scales" or ...

Water solubility and Henry’s law constant in alkanes found in crude oil have been calculated and set in an easy-to-use table. In addition, we have developed a new correlation for solubility of water ...