Randomized Complete Block (RCB) Design 1
Response Var. : Effectiveness in retarding bacteria
Treatment : Washing solutions
Block : Testing days
Obs DAYS SOLUTION EFFECTNS
1 1 1 13
2 2 1 22
3 3 1 18
4 4 1 39
5 1 2 16
6 2 2 24
7 3 2 17
8 4 2 44
9 1 3 5
10 2 3 4
11 3 3 1
12 4 3 22
Randomized Complete Block (RCB) Design 2
Response Var. : Effectiveness in retarding bacteria
Treatment : Washing solutions
Block : Testing days
------------------------------------------------------------------------
| | DAYS |
| |---------------------------------------------------|
| | 1 | 2 | 3 | 4 |
| |------------+------------+------------+------------|
| | EFFECTNS | EFFECTNS | EFFECTNS | EFFECTNS |
| |------------+------------+------------+------------|
| | Y(IJ) | Y(IJ) | Y(IJ) | Y(IJ) |
|------------------+------------+------------+------------+------------|
|SOLUTION | | | | |
|------------------| | | | |
|1 | 13.00| 22.00| 18.00| 39.00|
|------------------+------------+------------+------------+------------|
|2 | 16.00| 24.00| 17.00| 44.00|
|------------------+------------+------------+------------+------------|
|3 | 5.00| 4.00| 1.00| 22.00|
------------------------------------------------------------------------
Randomized Complete Block (RCB) Design 3
Response Var. : Effectiveness in retarding bacteria
Treatment : Washing solutions
Block : Testing days
The ANOVA Procedure
Class Level Information
Class Levels Values
DAYS 4 1 2 3 4
SOLUTION 3 1 2 3
Number of observations 12
Randomized Complete Block (RCB) Design 4
Response Var. : Effectiveness in retarding bacteria
Treatment : Washing solutions
Block : Testing days
The ANOVA Procedure
Dependent Variable: EFFECTNS
Sum of
Source DF Squares Mean Square F Value Pr > F
Model 5 1810.416667 362.083333 41.91 0.0001
Error 6 51.833333 8.638889
Corrected Total 11 1862.250000
R-Square Coeff Var Root MSE EFFECTNS Mean
0.972166 15.67573 2.939199 18.75000
Source DF Anova SS Mean Square F Value Pr > F
DAYS 3 1106.916667 368.972222 42.71 0.0002
SOLUTION 2 703.500000 351.750000 40.72 0.0003