Chapter 1.4, Problem 5E

Complete Table 6, and find the values of m and b for the straight line that provides the least-squares fit to the data.

Table 6

x	y	xy	$x^2$
1	7
2	6
3	4
4	3
${\displaystyle \sum x}=$	${\displaystyle \sum y}=$	${\displaystyle \sum xy}=$	${\displaystyle \sum x^2}=$