The box plots show lauren’s chemistry scores and her biology scores. chemistry biology lauren used the steps below to determine the differences in the medians and the interquartile ranges. step 1 find the median for chemistry: 80 find the median for biology: 70 step 2 find the difference in the medians: step 3 find the interquartile range for chemistry: find the interquartile range for biology: step 4 find 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?
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.