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3. Listed below are amounts of court fine revenue and salaries paid to town justices. (a) Calculate the linear correlation coefficient. Court income $000s Justice

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3. Listed below are amounts of court fine revenue and salaries paid to town justices. (a) Calculate the linear correlation coefficient. Court income $000s Justice salary $000s (X) (y) 42 28 75 40 121 35 164 36 262 71 282 56 414 54 1141 56 1577 102 [x = 4078 [y =488 x2 = 4157300 n = 9 xy = 307225 (b) Determine the equation of the regression line of the form y' = a + bx

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