Construct the cumulative frequency distribution for the given data. Age (years) of Best Actress when award was won Cumulative Frequency Age (years) of Best Actress when award was won 20-29 Frequency 26 Less than 30 Less than 40 30-39 40-49 50-59 33 15 Less than 50 3 Less than 60 60-69 7 70-79 Less than 70 80-89 1 Less than 80 Less than 90

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