PROBLEM #1
Suppose Henry’s Caps and Tops has designed a new Spring Break shirt with a choice of four different marine life on the back of the shirts. His marketing managers would like to conduct a test to determine the customers’ preferences of marine life. Six people were asked to look at the designs and rate each design on a scale of 1-20. The results are as follows:
Marine Life |
||||
Person |
Shark |
Turtle |
Dolphin |
Manatee |
1 |
19 |
20 |
12 |
17 |
2 |
18 |
17 |
17 |
18 |
3 |
17 |
18 |
16 |
19 |
4 |
13 |
19 |
12 |
14 |
5 |
10 |
13 |
7 |
18 |
6 |
13 |
12 |
11 |
16 |
The table below represents the partial
results of a Random Block ANOVA computed in
Excel
using an α = 0.05.
Use the table as your guide to calculate the missing values requested in the following questions.
Source |
Sum of Squares |
Degrees of Freedom |
Mean Sum of Squares |
F |
P-value |
F crit |
Column/ Treatments |
73.5 |
3 |
0.0175 |
|||
Row/Blocks |
117.5 |
5 |
0.0111 |
|||
Error |
||||||
Total |
270.5 |
23 |
H0:
HA:
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