Groups | Count | Sum | Average | Variance |
A | 16 | 310.45 | 19.40 | 866.26 |
B | 16 | 385.26 | 24.08 | 1213.22 |
C | 16 | 433.23 | 27.08 | 1595.48 |
D | 16 | 307.62 | 19.23 | 748.52 |