Table 3.
The size of the experimental problems
| Categories | Sample | (daily) | |||||
|---|---|---|---|---|---|---|---|
| Small | S1 | 1 | 2 | 1 | 1 | 1 | 10 |
| S2 | 1 | 2 | 2 | 1 | 2 | 15 | |
| S3 | 2 | 2 | 2 | 2 | 2 | 20 | |
| S4 | 2 | 3 | 2 | 2 | 2 | 25 | |
| S5 | 3 | 3 | 2 | 3 | 3 | 30 | |
| Medium | M1 | 3 | 4 | 3 | 3 | 3 | 50 |
| M2 | 4 | 4 | 3 | 4 | 3 | 80 | |
| M3 | 4 | 6 | 4 | 4 | 3 | 90 | |
| M4 | 5 | 6 | 5 | 5 | 4 | 110 | |
| M5 | 6 | 6 | 6 | 5 | 5 | 120 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.