Table 2.

Positioning collected data in Practice 1.

$\mathit{X}+$		$\mathit{X}-$		$\mathit{Y}+$		$\mathit{Y}-$
$\mathit{x}$ Value	$\mathit{y}$ Value	$\mathit{x}$ Value	$\mathit{y}$ Value	$\mathit{x}$ Value	$\mathit{y}$ Value	$\mathit{x}$ Value	$\mathit{y}$ Value
0	0	0	0	0	0	0	0
1	0	$-1$	0	0	1	0	$-1$
2	0	$-2$	0	0	2	0	$-2$
3	0	$-3$	0	0	3	0	$-3$
2	0	$-2$	0	0	2	0	$-2$
1	0	$-1$	0	0	1	0	$-1$
0	0	0	0	0	0	0	0