The data show the number of railroad crossing accidents for the 50 states of the United States for a specific year. Construct a histogram, frequency polygon, and give for the data. Comment on the skewness of the distribution. (The data in this exercise will be used for Exercise 14 in this section.)
Class limits Frequency
1–43 .....24
44–86 ......17
87–129 ......3
130–172 ....4
173–215 ....1
216–258 ....0
259–301 ....0
302–344 ....1