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Practice problem

Cumulative Frequency Table

By Elise Molinaro
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Goods DonatedFrequencyCumulative Frequency0−19717120−39188940−5922?60−7937?80−8929?\begin{array}{|c|c|c|} \hline \text{Goods Donated}&\text{Frequency}&\text{Cumulative Frequency}\\ \hline 0-19&71&71\\ 20-39&18&89\\ 40-59&22&?\\ 60-79&37&?\\ 80-89&29&?\\ \hline \end{array}

A local food pantry collected canned goods for a drive they hosted. The cumulative frequency table above represents this data. How many people donated at least 4040 canned goods?

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