Girls' and Boys' Scores

Difficulty: Medium · Topics: Probability, Statistics, Box Plots

The box plots summarise the maths exam scores of the girls and the boys in a class.

graph "x":[-2.2,13.5],"y":[-1.7,3.7],"axes":false,"label":"Box plots: girls minimum 30, Q1 45, median 65, Q3 75, maximum 100; boys minimum 15, Q1 30, median 45, Q3 65, maximum 100","items":["type":"line","from":[1.765,2.7],"to":[3.529,2.7],"ink":true,"type":"line","from":[7.059,2.7],"to":[10.0,2.7],"ink":true,"type":"line","from":[1.765,2.45],"to":[1.765,2.95],"ink":true,"type":"line","from":[10.0,2.45],"to":[10.0,2.95],"ink":true,"type":"polygon","points":[[3.529,2.2800000000000002],[7.059,2.2800000000000002],[7.059,3.12],[3.529,3.12]],"fill":0.25,"ink":false,"type":"line","from":[5.882,2.2800000000000002],"to":[5.882,3.12],"ink":false,"width":2.6,"type":"line","from":[1.765,2.45],"to":[1.765,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[3.529,2.25],"to":[3.529,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[5.882,2.25],"to":[5.882,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[7.059,2.25],"to":[7.059,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[10.0,2.45],"to":[10.0,0],"dash":true,"ink":true,"width":0.8,"type":"label","at":[-0.35,2.7],"text":"Girls","anchor":"w","italic":false,"type":"line","from":[0.0,1.2],"to":[1.765,1.2],"ink":true,"type":"line","from":[5.882,1.2],"to":[10.0,1.2],"ink":true,"type":"line","from":[0.0,0.95],"to":[0.0,1.45],"ink":true,"type":"line","from":[10.0,0.95],"to":[10.0,1.45],"ink":true,"type":"polygon","points":[[1.765,0.78],[5.882,0.78],[5.882,1.6199999999999999],[1.765,1.6199999999999999]],"fill":0.25,"ink":false,"type":"line","from":[3.529,0.78],"to":[3.529,1.6199999999999999],"ink":false,"width":2.6,"type":"line","from":[0.0,0.95],"to":[0.0,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[1.765,0.75],"to":[1.765,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[3.529,0.75],"to":[3.529,0],"dash":true,"ink":true,"width":0.8,"type":"line","from":[5.882,0.75],"to":[5.882,0],"dash":