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

The purpose of this paper is to present tables for the construction of confidence limits on the multiple correlation coefficient when sampling from a k-variate normal population. Ezekiel and Fox [3, ...

In this paper, we provide extensions to Miss F. N. David's (1938) tables of the correlation coefficient. These extensions are made in two different directions. The first part is concerned with the ...