Table 1.

Distributions of simulated sampling events for the Exe and Bow Brook catchments

		Mean difference in median (%)	Skew	Kurtosis	Mean confidence interval Hope et al. method (%)	Confidence interval Chebyshev’s Theorem (%)
Exe	Monthly	-4.53	0.82	0.83	± 6.41	± 41.1
	Fortnightly	-1.67	0.69	0.61	± 5.60	± 29.8
	Weekly	-1.09	0.45	0.01	± 2.38	± 20.1
Bow Brook	Monthly	-9.28	1.43	2.24	± 3.65	± 24.7
	Fortnightly	-8.39	0.94	0.63	± 3.28	± 16.7
	Weekly	-7.77	0.80	0.53	± 1.39	± 11.3