Question: It has been conjectured that income is one of the primary determinants of an individual’s satisfaction with his or her job. To investigate this theory, fifteen employees of a particular firm are chosen at random and their gross salaries are noted. Each of the employees is then asked to complete a questionnaire designed to measure his or her job satisfaction. The resulting job satisfaction scores (higher scores correspond to greater satisfaction) and gross incomes (in thousands of dollars) are given in the following table:

Compute Spearman’s rank correlation coefficient for the data. Interpret the results.