As you count the squares (only count the squares with the dots in them), add the number of
squares of each previous color in your data table:
Green squares
Blue + green squares
Purple + blue + green squares
Orange + purple + blue + green squares
Black + orange + purple + blue + green squares
Degree of
Tilt
Number of
squares within
the outline
(your group)
0°
(green)
10°
(blue)
20°
(purple)
30°
(orange)
40°
(black)
Fig: 1