You are here (click or tap to change) Back to Chapter 10 Main Page
Example 159
Lecture Examples
Example 159: Four methods of blending penicillin were compared in a randomized block design. The blocks are blends of the raw material. Construct the ANOVA table. Are there differences between the methods? the blends? Use a 10% significance for both.
|
Method |
Totals |
|||
Blend |
A |
B |
C |
D |
|
1 |
89 |
88 |
97 |
94 |
368 |
2 |
84 |
77 |
92 |
79 |
332 |
3 |
81 |
87 |
87 |
85 |
340 |
4 |
87 |
92 |
89 |
84 |
352 |
5 |
79 |
81 |
80 |
88 |
328 |
Totals |
420 |
425 |
445 |
430 |
1720 |