Question: A scatter plot shows a downward trend. The line of best fit is y=-4x+8. What does the slope tell you about the relationship between hours absent (x) and test scores (y)?
A) Each hour absent increases the test score by 4 points
B) Each hour absent reduces the test score by 4 points
C) Students are guaranteed to fail after 20 absences
D) Test scores are unrelated to absences
Correct answer: B
Grade: 8 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 8. SP. A. 2