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Mathematics, 19.11.2020 14:00 mem81

The time taken by 18 people to complete a puzzle are shown draw a frequency polygon for the data
time frequency
0 to 10 5
10 to 20 5
20 to 30 7
30 to 40 1

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The time taken by 18 people to complete a puzzle are shown draw a frequency polygon for the data

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