A scientist wants to estimate a present of a harmful substance on a surface of a...
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A scientist wants to estimate a present of a harmful substance on a surface of a lake. Present of that substance could be discovered by dropping a reacting solution on the surface. Given that he has a map of the lake: a) Discuss the problem of choosing appropriate sampling units and an appropriate frame. b) What is the appropriate sampling method? A scientist wants to estimate a present of a harmful substance on a surface of a lake. Present of that substance could be discovered by dropping a reacting solution on the surface. Given that he has a map of the lake: a) Discuss the problem of choosing appropriate sampling units and an appropriate frame. b) What is the appropriate sampling method?
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a In this case the sampling units are the reacting solutions The problems of choosing the sampling frame can be explained in this way that the harmful ... View the full answer
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