Variable/parameters

R²

Equation

P-value

Density

0.82

y = −275.21 + 816.93

0.0344

Charge length

0.50

y = −5.3925x + 101.1

0.1881

Mass of explosive per hole

0.56

y = −0.2698x + 89.283

0.1446

Volume of blast

0.81

y = 0.0002x + 42.005

0.0377