Information and IdeasHardReading a table of exam results by teaching method
Information and Ideas practice question
Mean test score of students, by teaching method (out of 100)
Method | Class size | Mean score
Lecture only | 120 | 64
Lecture with weekly problem class | 118 | 73
Problem classes only | 40 | 75
A lecturer argues that adding a weekly problem class to lectures is worthwhile, but cautions against reading too much into the highest score in the table, since ____
Which choice most effectively uses data from the table to complete the statement?
- A. the problem-classes-only group, which scored 75, had only 40 students, far fewer than the roughly 120 in each of the other groups.Correct
- B. students in lecture-only classes scored 64 on average.
- C. adding a problem class raised the mean from 64 to 73.
- D. the mean scores are out of 100.
Answer: A. the problem-classes-only group, which scored 75, had only 40 students, far fewer than the roughly 120 in each of the other groups.
The caution: the top score comes from a small group.
Why the other answers are wrong
- B. students in lecture-only classes scored 64 on average.
- Not about the highest score.
- C. adding a problem class raised the mean from 64 to 73.
- Supports the first claim, not the caution.
- D. the mean scores are out of 100.
- A scale.
More Information and Ideas questions
- Hard
Which finding, if true, would most strongly support the researcher's hypothesis? - Hard
Which choice most logically completes the text with a conclusion the evidence supports? - Hard
Which quotation from the passage would best support the student's claim? - Hard
Which choice best describes data that would support the conclusion that more daily reading is associated with … - Hard
Which choice most logically completes the text with a conclusion the evidence supports? - Hard
Which statement about the data would best support the claim that the bus lane made the route faster?
Not affiliated with the College Board. SAT is a trademark of the College Board.