Which Bar Is x?

Difficulty: Easy · Topics: Probability, Statistics, Bar Charts

The table shows the jobs of the fathers of the students in three classes of a school. The bar chart shows the total number of students for each job group.

Job Class A Class B Class C --- --- --- --- Retired 4 5 1 Trader 2 6 4 Civil servant 8 4 8 Private sector 10 12 8 Other 3 16 6

graph "x":[-1.8,13.4],"y":[-1.1,7.5],"axes":false,"label":"Five bars in decreasing height; the fourth bar is labelled x","items":["type":"polygon","points":[[0.55,0],[1.45,0],[1.45,6.0],[0.55,6.0]],"fill":0.35,"ink":false,"width":1.4,"type":"label","at":[1.0,-0.65],"text":"","italic":false,"type":"polygon","points":[[2.55,0],[3.45,0],[3.45,5.0],[2.55,5.0]],"fill":0.35,"ink":false,"width":1.4,"type":"label","at":[3.0,-0.65],"text":"","italic":false,"type":"polygon","points":[[4.55,0],[5.45,0],[5.45,4.0],[4.55,4.0]],"fill":0.35,"ink":false,"width":1.4,"type":"label","at":[5.0,-0.65],"text":"","italic":false,"type":"polygon","points":[[6.55,0],[7.45,0],[7.45,2.4],[6.55,2.4]],"fill":0.35,"ink":false,"width":1.4,"type":"label","at":[7.0,-0.65],"text":"x","italic":false,"type":"polygon","points":[[8.55,0],[9.45,0],[9.45,2.0],[8.55,2.0]],"fill":0.35,"ink":false,"width":1.4,"type":"label","at":[9.0,-0.65],"text":"","italic":false,"type":"line","from":[0,0],"to":[10.5,0],"ink":true,"end":"arrow","type":"line","from":[0,0],"to":[0,6.6],"ink":true,"end":"arrow","type":"label","at":[10.6,0.35],"text":"Job group","anchor":"e","italic":false,"type":"label","at":[0.1,7.0],"text":"Students","anchor":"e","italic":false]

Which job group is the bar labelled x?