A watershed has five rain gauge stations. In a year, the annual rainfall recorded by rain gauges are 115.5, 106.8, 125.4, 95.6 and 90.4cm. For a 5% error in estimation of mean rainfall, the number of additional gauges required are (in integer).
A watershed has five rain gauge stations. In a year, the annual rainfall recorded by rain gauges are 115.5, 106.8, 125.4, 95.6 and 90.4cm. For a 5% error in estimation of mean rainfall, the number of additional gauges required are (in integer).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Watershed problem(Hydrology)
![A watershed has five rain gauge stations. In a year, the annual rainfall recorded by rain
gauges are 115.5, 106.8, 125.4, 95.6 and 90.4cm. For a 5% error in estimation of mean
rainfall, the number of additional gauges required are
(in integer).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa0ddc397-2b82-4391-9bca-58a12fe79e5e%2F93d92865-2829-4e94-ac94-47f784e61081%2Fi52kqo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A watershed has five rain gauge stations. In a year, the annual rainfall recorded by rain
gauges are 115.5, 106.8, 125.4, 95.6 and 90.4cm. For a 5% error in estimation of mean
rainfall, the number of additional gauges required are
(in integer).
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