Stats 110A Quiz 1 Spring 99

NAME:

The following excerpted article comes from the LA Times, March 1996:

"Coffee Tied to Fewer Suicides by Women

Women who drink caffeinated coffee are less likely to commit suicide than those who do not, suggests a study in the Archives of Internal Medicine, published in Chicago by the American Medical Assn.....The study of 86,626 female nurses ages 30 to 59 from 1980 to 1990 found 11 suicides among those who drank two to three cups of caffeinated coffee a day, compared to 21 cases among those who said they never drank coffee."

1. Was this most likely an observational or controlled study? Explain.
 
 
 
 
 
 
 
 
 
 
 
 

2. If you were a woman (and especially if you are a woman), would this be sufficient evidence for you to drink coffee? Give as many reasons as you can to support your opinion.
 

Solutions