A random sample of 11 technicians produced the following data, where x is the number of tasks assigned, and y is the number incomplete tasks at the end of the first shift. The data are presented below in the table of values. x y 12 2 14 4 15 5 16 5 19 9 22 8 25 11 27 16 29 14 32 14 35 18 What is the value of the slope of the regression line, m , rounded to three decimal places?