Devry MATh325 midterm exam 2016

1.(TCO 2) Upon admission, the age of hospital patients is most appropriately displayed in a(n): (Points : 5)

Question 2. 2.(TCO 4) Which of the following measures of dispersion is most often used with the mean to describe a frequency distribution? (Points : 5)

Question 3. 3.(TCO 5) We want to determine if Critical Care Hospital’s ALOS (m₁) for DRG XXX is significantly less than the national ALOS (m₂) for DRG XXX. The alternative hypothesis would be stated as: (Points : 5)

Question 4. 4.(TCO 1) Of the following mortality rates, which two have the same denominator?

i. Crude mortality rate
ii. Age-specific mortality rate
iii. Sex-specific mortality rate
iv. Race-specific mortality rate
v. Cause-specific mortality rate (Points : 5)

Question 5. 5.(TCO 3) The extent to which a measuring instrument provides approximately the same results on repeated measures: (Points : 5)

Question 1. 1.(TCO 1) Below is a table indicating the number of individuals who became ill after eating clams at a local restaurant. Calculate:

I. the risk among those who ate the clams; and
II. the overall relative risk.

(Points : 20)