Catapult Journal #2
a) The constant configuration of the catapult:
Launch Angle: 45 Degrees
Pull back angle: 40 Degrees
Type of Ball: White
Height of mount: 73 cm
Angle of catapult base to level ground: 180 Degrees (Parallel to
level ground)
Locatio
1.
Three Factor ANOVA
a. General Linear Model: Distance (cm) versus Ball, Bands, Angle
Factor
Ball
Bands
Angle
Type
fixed
fixed
fixed
Levels
2
2
2
Values
Solid, Whiffle
1B, 2B
30D, 60D
Analysis of Variance for Distance (cm), using Adjusted SS for Tests
So
1)
STAT 323: Homework Assignment #1
Execute the experiment
a) The constant configuration of the catapult:
Launch Angle: 30 Degrees
Pull back angle: 180 Degrees (Or 0 degrees)
Number of rubber bands: 1
b) Other Aspects that might affect flight distance:
Xpult journal 01
Chapter 1: Describe the Xpult
a. The catapult is an attachment of two metal parts with a round plate which
allows adjustment of the launch angle. In addition, it is held by a chosen
number of rubber bands which allow elasticity and resist
STAT323 HW02
1. Contrast of sample mean
a) White Ball=1
Yellow Ball=2
(10)White Ball <(10)yellow ball
1 (10)white ball - 1 (10)yellow ball < 0
b)
Source
ball type
Error
Total
Level
1
2
N
10
10
DF
1
18
19
SS
2333
2738
5071
Mean
126.20
147.80
MS
2333
152
St