[Table/Fig-4]:
Comparison of 5th generation and 6th generation bonding system with their respective sub- groups by t-test values for shear bond strength
| Characters | Samples | Mean | Standard deviation [SD] | F ratio | Standard Error of difference [SEd] | Test statistic [t] | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| A | B | A | B | A | B | A | B | A | B | |
| A1 | B1 | 10 | 10 | 22.992 | 19.782 | 1.201 | 1.342 | 1.623 | 0.767 | 6.641** |
| A2 | B2 | 10 | 10 | 9.982 | 8.968 | 1.365 | 0.929 | 2.982 | 0.489 | 3.923** |
| A3 | B3 | 10 | 10 | 22.998 | 19.794 | 2.263 | 0.651 | 11.072 | 0.692 | 4.329** |
| A4 | B4 | 10 | 10 | 21.862 | 18.592 | 1.984 | 0.982 | 2.314 | 0.702 | 4.670* |
(**:-Significant changes seen in bond strength of the subgroups compared)