Refer to Exercise 10.52.
a. Compare the low and high dietary cholesterol intake groups relative to their risks of having high blood pressure. Use a = .05.
b. Place a 95% confidence interval on the odds ratio of having high blood pressure for low cholesterol intake to having high blood pressure for high cholesterol in-take. Based on the confidence interval, what can you conclude about the odds of having high blood pressure for the two groups?
c. Are your conclusions from parts (a) and (b) consistent?
In exercise

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