Solving the Problem of Multiple-Criteria Building Design Decisions with respect to the Fire Safety of Occupants: An Approach Based on Probabilistic Modelling

Table 7

Descriptive measures of the samples of travel times elapsed during the evacuation from the second floor ().

Sample statistic/distribution fitting results	Sample of	Sample of	Sample of
Sample size	100	100	100
Mean, s	19.72	18.47	22.0
Median, s	19.5	18.35	21.6
Coeff. of variation, %	0.134	0.18	0.14
Standardised skewness	3.6553	1.0029	0.6941
Standardised kurtosis	2.189	−1.721	−1.0195
Minimum, s	14.7	12.6	15.8
Maximum, s	29.0	25.7	28.9
KS-DN/ value (normal distr.)	0.1118/0.1646	0.0631/0.8213	0.0658/0.7790
KS-DN/ value (lognormal d.)	0.0890/0.4118	0.0650/0.7925	0.0516/0.9529
KS-DN/ value (Gumbel distr.)	0.0687/0.7335	0.0744/0.6379	0.0723/0.6728
Fitted distribution	Gumbel	Normal	Lognormal
Estimate of the 1st parameter	18.51 (mode)	18.47 (mean)	3.08 (scale)
Estimate of the 2nd parameter	2.148 (scale)	3.32 (std. dev.)	0.14 (shape)

Parameter of the fitted distribution.