Problem-Solving and Data AnalysisMediumWhat a correlation in observational data supports
Problem-Solving and Data Analysis practice question
A study of 5,000 adults finds that those who eat breakfast daily have lower rates of heart disease. Which conclusion is best supported?
- A. Among the adults studied, daily breakfast eating is associated with lower rates of heart disease.Correct
- B. Eating breakfast prevents heart disease.
- C. Skipping breakfast causes heart disease.
- D. Everyone should eat breakfast.
Answer: A. Among the adults studied, daily breakfast eating is associated with lower rates of heart disease.
An observational study supports an association, not a cause.
Why the other answers are wrong
- B. Eating breakfast prevents heart disease.
- Cause needs random assignment, not observation.
- C. Skipping breakfast causes heart disease.
- Same problem, stated the other way.
- D. Everyone should eat breakfast.
- A recommendation goes beyond what an association shows.
More Problem-Solving and Data Analysis questions
- Medium
A car travels 150 miles in 2.5 hours. At this rate, how far will it travel in 4 hours? - Medium
The price of a stock rises from $40 to $50. What is the percent increase? - Medium
Based on the model, what score does the line predict for a student who studies 5 hours? - Medium
A population decreases from 250 to 200 over a year. What is the percent decrease? - Medium
If one person is chosen at random from those who prefer tea, what is the probability the person is under 30? - Medium
What is the difference between the mean and the median of this data set?
Not affiliated with the College Board. SAT is a trademark of the College Board.