Q1:
Determine which product characteristics are significant and what would you recommend for the next investigative stage?
|
lead thickness |
contact angle |
resistance |
voltage |
absorbence |
Bad |
58 |
33.4 |
18.9 |
2.5 |
0.34 |
Bad |
57 |
33.6 |
18.4 |
2.3 |
0.42 |
Good |
55 |
33.1 |
18.2 |
2.5 |
0.44 |
Bad |
57 |
33.4 |
18.4 |
1.9 |
0.56 |
Good |
58 |
34.1 |
18.6 |
2.4 |
0.45 |
Good |
58 |
33.6 |
18.9 |
2.7 |
0.53 |
Good |
56 |
34.6 |
19.2 |
2.9 |
0.34 |
Bad |
62 |
33.5 |
18.5 |
2.5 |
0.36 |
Bad |
61 |
33.9 |
17.9 |
2.2 |
0.51 |
Bad |
56 |
34 |
18.7 |
2.2 |
0.42 |
Good |
61 |
33.9 |
18.7 |
2.4 |
0.27 |
Good |
62 |
33.7 |
18.1 |
3.2 |
0.48 |
Q2:
The product specification for rubber-band stretch is 2.70 - 2.80 cm.
Which product parameter is the driver for the product? (Red X)
Comment on your findings. (Hint, see Tukey test Ranking when center is good pg 207)
Part |
Product stretch |
flexibility |
color |
thickness |
1 |
2.68 |
20 |
red |
0.88 |
2 |
2.72 |
30 |
red |
0.98 |
3 |
2.73 |
26 |
red |
0.89 |
4 |
2.78 |
51 |
blue |
0.74 |
5 |
2.78 |
48 |
blue |
0.87 |
6 |
2.81 |
56 |
blue |
1.01 |
7 |
2.77 |
53 |
red |
0.78 |
8 |
2.73 |
16 |
red |
0.82 |
9 |
2.81 |
51 |
red |
0.91 |
10 |
2.69 |
18 |
blue |
1.09 |
11 |
2.82 |
51 |
blue |
0.88 |
12 |
2.68 |
30 |
blue |
0.99 |