correlation
noun [ C or U ]
uk/ˌkɒrəˈleɪʃən/ usa connection between two or more things, especially when one of them causes or influences the other:
correlation between sth and sth The research aims to identify if there is a correlation between corporate reputation and profits.
correlation with sth Does the way workers feel they are perceived by their employers have a correlation with ambition?
a clear/close/direct correlation Expenditure on training has a clear correlation with productivity.
low/little/no correlation Stocks do not respond to rate changes in the same way as bonds do, so there is little correlation between stock and bond value with respect to interest rates.