|
Morgan State University Graduate School of Engineering IEGR 535 Engineering Experimental Design
Instructor: Dr. G. Chen Assignment: (1) Ayman Malash
Date: Sep 21st, 1998 |
PROBLEM 2-1
We accept H0
PROBLEM 2-2
We accept H0
PROBLEM 2-5
|
DAY (XI) |
(Xi2) |
|
108 |
11664 |
|
124 |
15376 |
|
124 |
15376 |
|
106 |
11236 |
|
115 |
13225 |
|
138 |
19044 |
|
163 |
26569 |
|
159 |
25281 |
|
134 |
17956 |
|
139 |
19321 |
|
å = 1310 |
å = 175048 |
S = 19.545
We accept H0
PROBLEM 2-15
|
|
Caliper1(Xi) |
(Xi2) |
Caliper 2 (Yi) |
(Yi2) |
|
1 |
.265 |
.070225 |
.264 |
.069696 |
|
2 |
.265 |
.070225 |
.265 |
.070225 |
|
3 |
.266 |
.070756 |
.264 |
.069696 |
|
4 |
.267 |
.071289 |
.266 |
.070756 |
|
5 |
.267 |
.071289 |
.267 |
.071289 |
|
6 |
.265 |
.070225 |
.268 |
.071824 |
|
7 |
.267 |
.071289 |
.264 |
.069696 |
|
8 |
.267 |
.071289 |
.265 |
.070225 |
|
9 |
.265 |
.070225 |
.265 |
.070225 |
|
10 |
.268 |
.071824 |
.267 |
.071289 |
|
11 |
.268 |
.071824 |
.268 |
.071824 |
|
12 |
.265 |
.070225 |
.269 |
.072361 |
|
|
å = 3.195 |
å = .850685 |
å = 3.192 |
å = .849106 |
We accept H0
Testing the variances
a = .05
We reject H0
95% C.I.
