highly significantp < 0.001
When all nine cement samples are pooled, the linear regression is highly significant, yielding R 2 = 0.94 ( p < 0.001), with slope = −2.53 ± 0.57 and intercept = 2.76 (95% confidence intervals).
When all nine cement samples are pooled, the linear regression is highly significant, yielding R 2 = 0.94 ( p < 0.001), with slope = −2.53 ± 0.57 and intercept = 2.76 (95% confidence intervals).