Question: The frequency table shows the weights in ounces of 30 stones

Weight (oz) Number of Stones

1.2-1.6 5

1.7-2.1 2

2.2-2.6 5

2.7-3.1 5

3.2-3.6 13

3.2-3.7

Use the above information to construct a cumulative frequency table for the data.