Nitrates are organic compounds that are a main ingredient in fertilizers. When those fertilizers run off into
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Nitrates are organic compounds that are a main ingredient in fertilizers. When those fertilizers run off into streams, the nitrates can have a toxic effect on fish. An ecologist studying nitrate pollution in two streams measures nitrate concentrations at 42 places on Stony Brook and 42 places on Mill Brook. The parallel dotplots display the data. Compare the distributions of nitrate concentration in these two streams.
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Stony Brook Mill Brook 0 2 4 6 8 10 12 14 16 18 20 Nitrate concentration (mg/L)
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