The accompanying table lists educational requirements (in years) and typical salary (in thousands of dollars) for a sample of professions. Based on the result, can you expect to earn more if you choose a profession that requires more years of education? How do the results change if the salaries are entered as 61,100, 36,000, . . . , 14,800?

Use the rank correlation coefficient to test the claim of no correlation between the two variables. Use a significance level of α = 0.05.

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Years of education|16 15 14 14 13 13 12 11 Income Years of education 13 1 10 12 11 12 1010 Income Based on data from Statistics Canada. 61.1 36.0 62.6 32.9 27.2 36.9 36.7 29.6 37.6 28.4 26.5 22.2 23.1 24.8 21.3 14.8