Table 4. Multiple linear regression analysis results for artificial aging and preparation depths.
Model summary | ||||||
---|---|---|---|---|---|---|
Model | R | R square | Adjusted R square | Std. Error of the Estimate | ||
1 | .866a | .750 | .734 | 46.50099 | ||
a. Predictors: width, aging |
a. Dependent variable: strength
(* Symbol indicates significant differences at P<.05)