[See Solution] Two surveys of water pollution in two different lakes (lake A and lake B) were carried out. In both cases, all measurements except for 10
Question: Two surveys of water pollution in two different lakes ( lake A and lake B ) were carried out. In both cases, all measurements except for 10 showed a level of 0 . 05% pollutants in the water and the remaining 10 showed a level of 0 . 01% .
If twice as many measurements were taken in lake A than lake B, which set of measurements has a lower sample standard deviation? Explain your answer.
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