Coefficients (Mean time to repair (hours) )
Unstandardized Coefficients Standardized Coefficients t Sig.
B Std. Error Beta
(Constant) 10.59 3.11 .00 3.40 .002
Mean time between failures (months) 3.02 .20 .95 14.88 .000
Ratio of working to non-working time -1.12 3.69 -.02 -.30 .763