Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. The height of each tree (in inches) was recorded. Data was recorded to the nearest whole inch. The data is summarized in the histogram below. Frequency 14 12 10 228642 30 35 40 45 50 55 60 65 70 height (in) a What is the minimum possible tree height for the data recorded for this histogram? Note: Each class contains its lower class boundary, but not its upper class boundary. minimum =