A frequency polygon can be created for the same set of ... there are three more students in Class B with a hand span in the group 20 < h ≤ 22 than in class A. Image caption, This frequency ...
Notice: five groups, all of the same width. There are no gaps – every length from 30 to 55 can be recorded. There are no overlaps between the groups – eg the inequality symbols show that ...
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