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Find class and their frequency table {less than 20 - 5, less than 40 - 10, less than 60 - 25, less than 80 - 32, less than 100 - 40}

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Your problem -> class and their frequency table {less than 20 - 5, less than 40 - 10, less than 60 - 25, less than 80 - 32, less than 100 - 40}

 less than Cumulative Frequency less than 20 5 less than 40 10 less than 60 25 less than 80 32 less than 100 40

Class and their frequency table is
 Class Frequency 0 - 20 5 (= 5) 20 - 40 5 (= 10 - 5) 40 - 60 15 (= 25 - 10) 60 - 80 7 (= 32 - 25) 80 - 100 8 (= 40 - 32)

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