Question

how to draw frequency polygon
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Answer 1

Answer:

• To create a frequency polygon, start just as for histograms, by choosing a class interval.
• Then draw an X-axis representing the values of the scores in your data.
• Mark the middle of each class interval with a tick mark, and label it with the middle value represented by the class

Answer 2

To create a frequency polygon, start just as for histograms, by choosing a class interval. Then draw an X-axis representing the values of the scores in your data. Mark the middle of each class interval with a tick mark, and label it with the middle value represented by the class. Draw the Y-axis to indicate the frequency of each class. Place a point in the middle of each class interval at the height corresponding to its frequency. Finally, connect the points. You should include one class interval below the lowest value in your data and one above the highest value. The graph will then touch the X-axis on both sides.

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