Question: The following scatterplot deals with arsenic (As) levels in the water supply versus the arsenic levels (As) in the toenails of people using that water

The following scatterplot deals with arsenic (As) levels in the water supply versus the arsenic levels (As) in the toenails of people using that water supply. (Over time arsenic builds up in the body including the toenails.)

As in nail and As in Water 2500 2000 y = 12.986x + 155.04 1500 As in Nail (PPB) 1000 500 0 0 50 100 150 As in Water (PPB)

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