Which effect is likely from an overpopulation of deer? a) a decrease in the number of human diseases
b) a degrading of the existing forest habitat
c) a decrease in the number of car accidents involving deer
d) a change in weather patterns​

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.