Consider the Following Stem and Leaf Plot: Stem Leaf

Multiple Choice

Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.) .What would be the relative frequency of the class 20-under 30?

A) 0.4
B) 0.25
C) 0.20
D) 4
E) 0.50