Table 12.

Results of relationship between joint numbers (Nj) and RQD

Model summaryANOVA resultsCoefficients
RR2Adjusted R2Std error of the estimateF = 452 Sig. = 0ModelUnstandardized coefficientsStandardized coefficientsT-testSig.
BStd errorbeta
0.870.760.7556.6Nj−1.420.34−0.37−4.220.0
Independent variable = Nj, dependent variable = RQD(Nj)2−0.150.02−0.512−5.830.0
Constant99.30.46214.50.0