Table 4 Summary of data for each operator who participated in the study.
Summary of Data | Operator 1 | Operator 2 | Operator 3 | Operator 4 | Operator 5 | Total |
|---|---|---|---|---|---|---|
N | 17 | 17 | 17 | 17 | 17 | 85 |
∑X | 61.9 | 62.17 | 61.8 | 62.23 | 62.04 | 310.14 |
Mean | 3.6412 | 3.6571 | 3.6353 | 3.6606 | 3.6494 | 3.649 |
∑X2 | 320.4042 | 323.9769 | 320.3798 | 323.0329 | 321.9934 | 1609.7872 |
Std.Dev. | 2.4369 | 2.4574 | 2.4459 | 2.4397 | 2.4442 | 2.3859 |