Mathematics · Statistics
Given that the standard deviation (σ) and mean (μ) of rainfall values at existing rain gauge stations are 28 cm and 110 cm respectively. If the maximum permissible error in the estimation of mean rainfall is 5%, calculate the coefficient of variation (Cv) and the total number of rain gauges required.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125.45%, 26 gauges✓
- 224.85%, 16 gauges
- 325.45%, 16 gauges
- 424.85%, 26 gauges
Correct answer
25.45%, 26 gauges
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