Data Collection, Frequency and Frequency Tables

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Activity Set 1
closed chest

Calculate the cumulative frequency, and fill in the value below

Number of PetsFrequency1 – 2103 – 455 – 637 – 81\begin{array}{|c|c|} \hline \text{Number of Pets} & \text{Frequency} \\ \hline \text{1 – 2} & \text{10} \\ \hline \text{3 – 4} & \text{5} \\ \hline \text{5 – 6} & \text{3} \\ \hline \text{7 – 8} & \text{1} \\ \hline \end{array}

The cumulative frequency at 3 – 4 pets is