A supplement was given to patients to lower their blood pressure. The blood pressure before and after the supplement was recorded. What kind of variables are Begin and End and what kind of scale are they following? Multiple choice. Choose one answer for scale and one answer for variables. Note: the scale is identified as either nominal, ordinal, interval, or ratio (Choose the correct answer). Please explain why you chose the answer. Variables are defined as either numerical (count/discrete or decimals) OR categorical (ordinal or nominal) (Choose the correct answer). Please explain why you chose the answer.

You would use a/an scale for data such as age, blood pressure, and annual salaries. A. Ratio B. Nominal C. Ordinal D. Interval

After each description of a process, indicate the level of measurement (nominal, ordinal, interval, or ratio) implied by the statement. Rating members of Congress as very liberal, slightly liberal, moderate, slightly conservative, or very conservative. Asking members of Congress whether the amount of money they have received from PACs is more than $100,000, between $50,000 and $100,000, or less than $50,000. Asking members of Congress how much campaign money they have received from political action committees (PACs). Asking members of Congress the source of most of their PAC contributions: labor unions, corporate management, medical associations, or civil rights groups. Asking members of Congress which of the following they feel is the most important problem facing the country today: the budget deficit, the threat of nuclear war, crime, poverty, or teen pregnancy.

Is parameter proportion the same as statistical proportion. so lets say the statistical proportion is 0.49. Would the parameter proportion be 0.49 as well ?