3.36 Construct a histogram corresponding to each of the five frequency distributions, I–V, given in the following table, and state whether each histogram is symmetric, bimodal, positively skewed, or negatively skewed:

Frequency Class Interval I II III IV V 0 to ,10 5 40 30 15 6 10 to ,20 10 25 10 25 5 20 to ,30 20 10 8 8 6 30 to ,40 30 8 7 7 9 40 to ,50 20 7 7 20 9 50 to ,60 10 5 8 25 23 60 to ,70 5 5 30 10 42