Question: Two irrigation systems are compared on their ability to provide uniform water distribution over a field. Twelve measurements with system X yield a standard deviation

Two irrigation systems are compared on their ability to provide uniform water distribution over a field. Twelve measurements with system X yield a standard deviation of 0.81 cm/h. Nine measurements with system Y yield a standard deviation of 0.35 cm/h. Can the conclusion be drawn that the systems provide equally uniform distributions of water?

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