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Table 4

Sanitation estimates differences between government and JMP approaches (equal variances assumed)

SampleGovernment approach
JMP approach
t-statisticp-value
NM (%)SDNM (%)SD
1990 sanitation estimates 12 24.5 15.1 32 23.6 15.9 0.165 0.689 
2015 sanitation estimates (national) 40 44.3 24.5 41 35.9 21.8 1.629 0.049 
2015 sanitation estimates (rural) 39 31.6 23.2 40 28.2 21.3 0.761 0.002 
2015 sanitation estimates (urban) 39 59.3 19.7 39 44.6 19.7 3.312 0.003 
2015 MDG sanitation target 24 69.4 14.4 32 62.7 8.8 2.021 0.035 
SampleGovernment approach
JMP approach
t-statisticp-value
NM (%)SDNM (%)SD
1990 sanitation estimates 12 24.5 15.1 32 23.6 15.9 0.165 0.689 
2015 sanitation estimates (national) 40 44.3 24.5 41 35.9 21.8 1.629 0.049 
2015 sanitation estimates (rural) 39 31.6 23.2 40 28.2 21.3 0.761 0.002 
2015 sanitation estimates (urban) 39 59.3 19.7 39 44.6 19.7 3.312 0.003 
2015 MDG sanitation target 24 69.4 14.4 32 62.7 8.8 2.021 0.035 

Notes: N, sample size; M, mean; SD, standard deviation; t, t-statistic, p < 0.05.

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