Histogram from a data set of test scores

An example figure from the Histogram Generator.

A histogram of 30 test scores in bins of 10 from 40 to 100, with each bar’s frequency written above it — A histogram titled Test scores, drawn from a data set of 30 scores sorted into bins of 10 from 40 to 100. Each bar’s frequency is written above it: 2, 4, 6, 9, 6 and 3. The horizontal axis is titled Score, with a zig-zag break before 40, and the vertical axis is titled Number of students and numbered from 0 to 10.

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Answer key

40–50: 2
50–60: 4
60–70: 6
70–80: 9
80–90: 6
90–100: 3
n = 30

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