|
X value
|
S(side)=2 (1 -
|x|)
|
A(area)= S2*(3)1/2/4
|
V(volume)=A(.05)
|
|
-.7
|
.6
|
.1558
|
.0077
|
|
-.65
|
.7
|
.2121
|
.0106
|
|
-.6
|
.8
|
.2771
|
.0139
|
|
-.55
|
.9
|
.3507
|
.0175
|
|
-.5
|
1
|
.4330
|
.0217
|
|
-.45
|
1.1
|
.5239
|
.0262
|
|
-.4
|
1.2
|
.6235
|
.0312
|
|
-.35
|
1.3
|
.7317
|
.0366
|
|
-.3
|
1.4
|
.8487
|
.0424
|
|
-.25
|
1.5
|
.9742
|
.0487
|
|
-.2
|
1.6
|
1.1085
|
.0554
|
|
-.15
|
1.7
|
1.2514
|
.0626
|
|
-.1
|
1.8
|
1.4029
|
.0701
|
|
-.05
|
1.9
|
1.5631
|
.0782
|
|
0
|
2
|
1.7320
|
.0866
|
|
0
|
2
|
1.7320
|
.0866
|
|
.05
|
1.9
|
1.5631
|
.0782
|
|
.1
|
1.8
|
1.4029
|
.0701
|
|
.15
|
1.7
|
1.2514
|
.0626
|
|
.2
|
1.6
|
1.1085
|
.0554
|
|
.25
|
1.5
|
.9742
|
.0487
|
|
.3
|
1.4
|
.8487
|
.0424
|
|
.35
|
1.3
|
.7317
|
.0366
|
|
.4
|
1.2
|
.6235
|
.0312
|
|
.45
|
1.1
|
.5239
|
.0262
|
|
.5
|
1
|
.4330
|
.0217
|
|
.55
|
.9
|
.3507
|
.0175
|
|
.6
|
.8
|
.2771
|
.0139
|
|
.65
|
.7
|
.2121
|
.0106
|
|
.7
|
.6
|
.1558
|
.0077
|
|
Cumulative volume
=1.2188
|
|
|
|
Calculations:
Percent Error
|Observed- Expected
| * 100%
Expected
|
1.2188 – 1.12352
| / 1.12352 *
100% =
8.48049% error
|