Real-Life Math -- Solution
As a pharmacologist, before you begin looking for drug treatments for a problem, you look at statistics to see if there are other causes such as age, gender differences, income differences or geographic placement that may affect the prevalence of a disease.
These are some questions you asked about diabetes prevalence in San Antonio, Texas:
1. What percentage of middle income earners polled in the white population section had diabetes?
Middle income: 549
Upper income: 929
549 + 929 = 1,478
549 / 1,478 x 100 = 37 percent
2. What percentage of the middle income earners polled in the Hispanic population had diabetes?
Middle income: 581
Upper income: 791
581 + 791 = 1,372
581 / 1,372 = 42 percent