Mathematics, 07.10.2020 23:01 asanjog2755
A questionnaire was sent to 34,000 randomly chosen individuals living in USA asking about their current and past smoking habits. For those who answered the questionnaire, they are tracked in the next 10 year for the death rate. Their data was pulled from the health record database so that if they died, the death is recorded with the diagnosis of the cause of the death. The death rates due to heart disease among the smokers and nonsmokers are then compared to see if smoking causes heart disease. What is the targeted population
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 19:00, gharrell03
Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.
Answers: 1
Mathematics, 21.06.2019 19:20, harmonytaylor13
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
Answers: 1
You know the right answer?
A questionnaire was sent to 34,000 randomly chosen individuals living in USA asking about their curr...
Questions in other subjects:
Chemistry, 16.02.2021 18:40
French, 16.02.2021 18:40
Physics, 16.02.2021 18:40
Mathematics, 16.02.2021 18:40
