Chapter 1.4, Problem 6E

Complete Table 7, and find the values of m and b for the straight line that provides the least-squares fit to the data.

Table 7

x	y	xy	$x^2$
1	2
2	4
3	7
4	9
5	12
${\displaystyle \sum x}=$	${\displaystyle \sum y}=$	${\displaystyle \sum xy}=$	${\displaystyle \sum x^2}=$