subject
Mathematics, 28.12.2019 00:31 mmelody5

You are investigating the role of physical activity in heart disease and suggest that physical activity protects against having a heart attack. while presenting these data to your colleagues, someone asks if you have thought about confounders such as factor x. this factor x could have confounded your interpretation of the data if it: a. is a factor for some other disease, but not heart disease. b. is a factor associated with physical activity and heart disease. c. is a part of the pathway by which physical activity affects heart disease. d. has caused a lack of follow-up of test subjects.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Use the graph to determine the range. which notations accurately represent the range? check all that apply. (β€“βˆž, 2) u (2, ∞) (β€“βˆž, –2) u (–2, ∞) {y|y ∈ r, y β‰  –2} {y|y ∈ r, y β‰  2} y < 2 or y > 2 y < –2 or y > –2
Answers: 1
question
Mathematics, 21.06.2019 15:30
Consider the integral: 4 0 16 βˆ’ y2 βˆ’ 16 βˆ’ y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.
Answers: 1
question
Mathematics, 21.06.2019 18:00
What expression is equivalent to 42x-56y
Answers: 1
question
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 1
You know the right answer?
You are investigating the role of physical activity in heart disease and suggest that physical activ...
Questions
question
English, 27.12.2020 08:10
question
Computers and Technology, 27.12.2020 08:10
question
Geography, 27.12.2020 08:10
question
Spanish, 27.12.2020 08:10
Questions on the website: 13722363