Multiple Choice
A medical researcher is interested in assessing the probability of some symptoms of coronary heart disease (CHD) being present at a given age.For this reason he uses the following data collected on 100 individuals. Thus,the variable under study is CHD that assumes a value of 1 if coronary heart disease is present,and a value of 0 otherwise.Using Excel and Minitab,the following linear and logistics regression equations have been estimated: Linear Regression:
= - 0.53796 + 0.02181Age
Logistic Regression: Using the logistic equation,find the age of a person for which the estimated chances of having coronary heart disease are 50%?
A) 47.8 years old
B) 56.3 years old
C) 45.5 years old
D) 47.6 years old
Correct Answer:

Verified
Correct Answer:
Verified
Q51: The number of dummy variables representing a
Q56: To examine the differences between salaries of
Q57: A medical researcher is interested in assessing
Q58: A bank manager is interested in assigning
Q59: To examine the differences between salaries of
Q60: A gender is an example of _
Q63: To examine the differences between salaries of
Q64: For the logistic model,the predicted values of
Q65: Consider the following regression model: Humidity =
Q66: A researcher has developed the following regression