You want to see if there is any association between someone's years of education and salary at their first full-time job. You sample some people, and find the following: Years of Education 11 15 14 18 16 16 9. 10 Starting Salary (in thousands) 33 40 22 38 60 30 24 38 Years of Education 19 12 12 15 14 20 11 16 Starting Salary (in thousands) 32 34 27 45 43 51 44 42 Can we say that there is any significant association among the data? (a = .10)

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.