A Medical Researcher Is Interested in Assessing the Probability of Some

question 26

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,what is the estimated probability of coronary heart disease for a 60-year-old individual?

• A) 0.4581
• B) 0.3219
• C) 0.7706
• D) 0.7946

---

Definitions:

Compounded Monthly

Interest calculated on the initial principal and also on the accumulated interest from previous periods on a monthly basis.

RRSP

Registered Retirement Savings Plan, a savings account, registered with the Canadian government, that defers income taxes on retirement savings until withdrawal.

Accumulate

The act of gathering or collecting over a period of time, often resulting in an increase in quantity.

Ordinary Annuity

An annuity where the payments are made at the end of each period for a fixed length of time.