QuestionJAMBGeneral Maths1993ObjectiveStatistics: data & averagesStatistics: data & averages
The bar chart shows the distribution of marks in a class test. How many students took the test?
Worked solution (try it first)
Each bar's height is the number of students with that mark.
Read the bars: 2, 5, 3, 4, 3, 1 and 2.
Add them:
2+5+3+4+3+1+2=20 students, option B.
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