There are a lot of endangered animals in this world, and the numbers are increasing constantly as their habitats are destroyed by global warming and urbanizing humans. why don't conservative biologists just stick representative animals in zoos so that their numbers can be bolstered and their existence ensured?

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.