The following scatter plot includes data on 51 lakes in Flor…
The following scatter plot includes data on 51 lakes in Florida. The variables being displayed are Alkalinity (concentration of calcium carbonate in mg/L) and AvgMercury (average mercury level for a sample of fish from each lake). Which of the following choices is correct in terms of checking the conditions necessary to use the t-distribution for inference on the population slope?
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