Question

Problem # 2 (8 points) cat chment has six raingauge stations. In a year, the annual rainfalls recorded y the gauges are as follows. Rain gauge A Annual Rainfall (cm) 82.6 102.9 180.3 110.3 98.8 136.7 Determine the standard error in the estimation of mean rainfall in the existing set of raingauges. For a 10% error in the estimation of the mean rainfall, calculate the optimum number of raingauge stations in the catchment. (a) (b) nl

Answer 1