The data set“Tornadoes_2017” located at www.pearsonhighered.com/  sullivanstats contains a variety of variables that were measured for all tornadoes in the United States in 2017.
(a) Draw a relative frequency histogram of the length of all the tornadoes using a lower class limit of 0 and a class width of 5.
(b) What is the shape of the distribution?
(c) What is the relative frequency of tornadoes between 5 and 9.999 miles in length?
(d) Draw a relative frequency histogram of the length of tornadoes in Texas using a lower class limit of 0 and a class width of 5. Hint: If you are using StatCrunch, enter “State = TX” in the Where: box of the histogram dialogue window. What is the relative frequency of tornadoes between 35 and 39.999 miles in length? Round your answer to three decimal places.
(e) Draw a dot plot of the number of fatalities of all tornadoes in 2017. How many tornadoes resulted in four or more fatalities?
(f) The column “NumberStates” represents the number of states the tornado traveled through. How many tornadoes traveled through two states?