March 28th, 2022 
PH3120 Homework Assignment #8
DIRECTIONS: Please answer the following questions on a separate piece of paper. Include your name and CIN number on your homework assignment. Students are welcome to work in groups to complete homework assignments. However, each student must submit his/her own answers to receive credit. SHOW ALL OF YOUR WORK!
All the following questions are in relation to the following journal article which is available on Canvas Week 11
1. What makes this a cross sectional study?
2. How did the researchers obtain their study sample?
3. See Table 1, describe the study population?
4. How many of the study subjects were tested for covid-19?
5.
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