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A biologist believes that the addition of a certain chemical compound to a lake will effectively reduce the number of zebra mussels in the lake.
A biologist believes that the addition of a certain chemical compound to a lake will effectively reduce the number of zebra mussels in the lake. He designs an experiment to test this claim and gets the fol lowing data. a=0.10 Compute the test statistic to test for a reduction in zebra mussels with the added compound. Control (no added compound) Treatment (added compound) :1] = 35 n2 = 37 f]: 22.3 mussels f3 = 16.4 mussels SI = 8,9 mussels so = 10 3 mussels
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