Solutions Statistics

Ten salespeople were surveyed, and the average number of client contacts per month, x, and the sa

Question: 15 Ten salespeople were surveyed, and the average number of client contacts per month, x, and the sales volume, y (in thousands), were recorded for each:

x	12	14	16	20	23	46	50	48	50	55
y	15	25	30	30	30	80	90	95	110	130

Refer to the following computer output and verify that the equation of the line of best fit is ? = 13.4 + 2.3x and that se = 10.17 by calculating these values yourself.