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Table 1

Descriptive statistics of dependent and independent variables, n = 76a

VariableDescriptionUnitMeanSt. dev.MinMax
NRW_CON_DAY m3 of NRW per connection per day m3/connection/day 0.13 0.07 0.01 0.34 
NETLEN Network length km 414.95 155.23 165.42 629.65 
CON_DENS Connection density 1/km 50.24 14.60 36.28 77.26 
LEAK Number of reported pipe failures – 19 18 65 
NET_OPREV Difference between total operating revenue and total operation and maintenance costs per m3 of water sold $/m3 0.11 0.07 −0.02 0.35 
VariableDescriptionUnitMeanSt. dev.MinMax
NRW_CON_DAY m3 of NRW per connection per day m3/connection/day 0.13 0.07 0.01 0.34 
NETLEN Network length km 414.95 155.23 165.42 629.65 
CON_DENS Connection density 1/km 50.24 14.60 36.28 77.26 
LEAK Number of reported pipe failures – 19 18 65 
NET_OPREV Difference between total operating revenue and total operation and maintenance costs per m3 of water sold $/m3 0.11 0.07 −0.02 0.35 

aThe values in this table represent the statistics used in the original data set (n = 76).

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