# a more than" and "less than" cumulative frequency polygon

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The following data show the age distribution of the top 14 doctors in the emergency faculty of a local hospital.

Age Frequency

35-39 2

40-44 2

45-49 1

50-54 3

55-59 4

60-64 2

Construct a "more than" and "less than" cumulative frequency polygon

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Hi

<br><br><br><br><br>A 'more than' cumulative frequency polygon shows the number of observations more than or equal to the lower boundary of a class.

<br><br>A 'less than' cumulative frequency polygon shows the number observations less than or equal to the upper boundary of the class.

<br><br>By convention the lower and upper boundaries of the classes given are 34.5 and 39.5 for the ...

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