A sociologist is interested in the relations between x = number of job changes and y = annual salary (in thousands of dollars) for people living in the Nashville area. A random sample of 10 people employed in Nashville provided the following information.
x (Number of job changes) 4 7 5 6 1 5 9 10 10 3
y (Salary in $1000) 33 37 34 32 32 38 43 37 40 33
Complete parts (a) through (c), given ‡”x = 60, ‡”y = 359, ‡”x2 = 442, ‡”y2 = 226, 125 and ‡”yz = 2231.
(d) If someone had x = 2 job changes, what does the least-squares line predict for y, the annual salary?