SAT OwlQuestion bank / Problem-Solving and Data Analysis
SAT Evaluating statistical claims: observational studies and experiments practice questions
Evaluating statistical claims: observational studies and experiments is one of the skills tested in the Problem-Solving and Data Analysis domain of the Digital SAT Math section. Below are 14 free practice questions sorted from easy to hard. Open one to answer it and see the explanation.
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Question 1
To estimate how often residents of a town exercise, a researcher surveyed 250 people as they left the town's largest gymEasyQuestion 2
A researcher wants to determine whether listening to music while studying affects students' test scores. Which of the foEasyQuestion 3
In a study, 100 patients with high blood pressure were randomly assigned to take either a new medication or a standard mEasyQuestion 4
Researchers recorded the daily screen time and nightly hours of sleep for 500 randomly selected teenagers, without askinEasyQuestion 5
A researcher recruited 200 adult volunteers through a newspaper ad. The researcher randomly assigned 100 of them to takeMediumQuestion 6
Researchers examined health records of 5,000 randomly selected adults in a country. They found that adults who reported MediumQuestion 7
A farmer wants to test whether a new fertilizer increases tomato yield. The farmer has 40 similar garden plots availableMediumQuestion 8
A study of 1,000 randomly selected families in a city found that children in homes with more books tended to have higherMediumQuestion 9
A news website invited its readers to vote in an online poll about a proposed city tax. Of the 5,000 readers who voted, MediumQuestion 10
A survey of 100 randomly selected members of a city's cycling club found that 85% of them support adding more bike lanesMediumQuestion 11
A researcher found that among 400 randomly selected adults in a town, those who walk a dog daily had lower average bloodMediumQuestion 12
Researchers selected a random sample of 600 high school students from across one state. Half of the students were randomHardQuestion 13
A school district wants to determine whether a new reading program improves reading scores for the 2,000 fourth-grade stHardQuestion 14
Researchers randomly selected 120 patients from the records of all patients treated for a certain condition at Hospital Hard
To estimate how often residents of a town exercise, a researcher surveyed 250 people as they left the town's largest gymEasyQuestion 2
A researcher wants to determine whether listening to music while studying affects students' test scores. Which of the foEasyQuestion 3
In a study, 100 patients with high blood pressure were randomly assigned to take either a new medication or a standard mEasyQuestion 4
Researchers recorded the daily screen time and nightly hours of sleep for 500 randomly selected teenagers, without askinEasyQuestion 5
A researcher recruited 200 adult volunteers through a newspaper ad. The researcher randomly assigned 100 of them to takeMediumQuestion 6
Researchers examined health records of 5,000 randomly selected adults in a country. They found that adults who reported MediumQuestion 7
A farmer wants to test whether a new fertilizer increases tomato yield. The farmer has 40 similar garden plots availableMediumQuestion 8
A study of 1,000 randomly selected families in a city found that children in homes with more books tended to have higherMediumQuestion 9
A news website invited its readers to vote in an online poll about a proposed city tax. Of the 5,000 readers who voted, MediumQuestion 10
A survey of 100 randomly selected members of a city's cycling club found that 85% of them support adding more bike lanesMediumQuestion 11
A researcher found that among 400 randomly selected adults in a town, those who walk a dog daily had lower average bloodMediumQuestion 12
Researchers selected a random sample of 600 high school students from across one state. Half of the students were randomHardQuestion 13
A school district wants to determine whether a new reading program improves reading scores for the 2,000 fourth-grade stHardQuestion 14
Researchers randomly selected 120 patients from the records of all patients treated for a certain condition at Hospital Hard