Done in R studio.

Question 4. The US Arrest data set Base R comes with a data set about violent crime rates in the United States called "USArrests". Try the following: a) Load the USArrests data set. b) How many observations and how many variables are in the USArrests data set? c) What was the average murder rate in the US? What was the highest murder rate and what was the lowest murder rate? d) Plot a histogram of assault arrest rates in the United States