5
QuizMultiple Choice
Comparing Box Plots
Question 5 of 10 • Math 7 B (M12 25/26 S2)
The box plots show Lauren’s chemistry scores and her biology scores.ChemistryBiologyLauren used the steps below to determine the differences in the medians and the interquartile ranges.Step 1Find the median for chemistry:80Find the median for biology:70Step 2Find the difference in the medians: Step 3Find the interquartile range for chemistry: Find the interquartile range for biology: Step 4Find the difference in the interquartile ranges: Lauren determined that the difference in the medians is greater than the difference in the interquartile ranges. Which explains Lauren’s error?
Answer
A
Lauren made her first error in step 1 because the median is 85 for chemistry and 80 for biology.B
Lauren made her first error in step 1 because the median is 60 for chemistry and 60 for biology.C
Lauren made her first error in step 3 because she should have used for chemistry and for biology.
D
Lauren made her first error in step 3 because she should have used for chemistry and for biology.