Question
The normal annual precipitation of five rain gauges P, Q, R, S, and T are respectively 125, 102, 76, 113 and 137 cm. During a particular storm the precipitations recorded by stations P, Q, R and S are 13.2, 9.2, 6.8, and 10.2 cm,respectively. The instrument_ at station T was inoperative during that storm.Estimate the
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