Answer:
The least value plotted on the line plot is 18.0
The greatest value plotted on the line plot is 22.0
The height of inches occurs the most often is 19.5 with 3 times
Explanation:
A line plot is a graph that shows frequency (the number of times the data value occur) of data along a number line.
The line plot has dots plotted on it over each value of the number line.