Hemophilia rare bleeding disorder in which the blood doesn't clot properly. The royal the family of England has concentration of this condition. 1) Explain why they have a higher then normal occurrence.
2) Explain what type of individuals is this condition localized/found.

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.