| A | And |
Sample size | 200 | 200 |
Get to the bottom of the grades | 201.5 (172.5 - 230) | 200.50 (169.00 - 220.00) |
Measured results | 206.0 (175.0 - 240.0) | 205.50 (178.00 - 233.75) |
With | −6.040 | −9.295 |
P | <0.05 | <0.05 |