Question

Researchers are interested in assessing if there is an association between dietary cholesterol intake and high blood pressure. The following data was summarized:

Blood Pressure
Dietary Cholesterol	High	Low	Total
High	159	91	250
Low	78	172	250
Total	237	263	500

1. Estimate the conditional probabilities of high and low blood pressures given the level of dietary cholesterol.
2. Compute an estimate of the odds ratio of high blood pressure for the two groups
3. Interpret the odds ratio and determine if high blood pressure is related to dietary cholesterol.

Answer 1