A researcher wishes to determine which one of four treatment plans to control high blood pressure (HBP) is best; the treatments considered are: medication, diet, exercise, and yoga/meditation. Knowing that you are rapidly becoming a resident expert in Business Statistics, the research asks for your assistance/guidance. Specifically, the researcher asks for your assistance in an email that has these three inquiries for consideration:

1. In addition to treatment plan, what else - other than the type of treatment - might I (the researcher) consider?
2. Whatconfounding variablesmight there be for the experiment?
3. What insights or suggestions would you offer me (the researcher) to help ensure the research yields reliable results?