Stem and leaf plots are used to visualize data, graphically
The true statement is (b) There are 30 buildings in the county that are taller than 50 feet.
<h3>How to interpret the stem and leaf plot</h3>
From the stem and leaf plot, we have that the number of leaves is 30
This means that, the total frequency of the dataset is 30
So, the number of buildings taller than 50 feet is 30
Hence, the true statement is (b) There are 30 buildings in the county that are taller than 50 feet.
Read more about stem and leaf plots at:
brainly.com/question/12276901