Long description: Block221FigQ7aP
Alt text: A bar graph titled "Lord Rayleigh's Results" shows the frequency distribution across three classes: 2.29 - 2.30, 2.30 - 2.31, and 2.31 - 2.32.
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- The graph displays the frequency on the vertical axis and the classes on the horizontal axis.
- For the class 2.29 - 2.30, the bar reaches a frequency of 5.
- For the class 2.30 - 2.31, the bar reaches a frequency of 1.
- For the class 2.31 - 2.32, the bar reaches a frequency of 4.