Sound Pressure Level at Terminals through Data Mining

Table 2

Measures of central tendency and variance of .

Statistic	Sol norte	Troya	Malca	Fernández	Señor de huamantanga	Tetsur
Minimum	72.6	71.65	71.07	73.47	73.6	72.85
Median	74.15	73.45	72.6	74.52	75.22	73.85
Mean	74.15	73.37	72.72	74.55	75.08	73.95
Maximum	75.31	74.65	74.5	76.2	77.1	75.25
Standard deviation	0.766	0.879	1.007	0.644	0.865	0.714
Variance	0.586	0.773	1.015	0.414	0.749	0.51