The following table gives the number of commercial airline accidents and the total
number of resulting fatalities in the United States in the years from 1985 to 2020.
(a) Represent the number of yearly airline accidents in a frequency table.
(b) Give a frequency polygon graph of the number of yearly airline accidents.
(c) Give a cumulative relative frequency plot of the number of yearly airline accidents.
(d) Find the sample mean of the number of yearly airline accidents.
(e) Find the sample median of the number of yearly airline accidents.
(f ) Find the sample mode of the number of yearly airline accidents.
(g) Find the sample standard deviation of the number of yearly airline accidents.
(h) Represent the number of yearly airline fatalities in a histogram.
(i) Represent the number of yearly airline fatalities in a stem and leaf plot.
(j) Find the sample mean of the number of yearly airline fatalities.
(k) Find the sample median of the number of yearly airline fatalities.
(l) Find the sample standard deviation of the number of yearly airline fatalities.
(m) Draw a scatter diagram of the number of yearly airline accidents and the number of
yearly airline fatalities.
(n) Estimate correlation coefficient and comment about the relation between of the
number of yearly airline accidents and the number of yearly airline fatalities. Also
explain that it shows association not causation.
(o) Estimate a regression line of yearly airline accidents and the number of yearly airline
fatalities.
(p) Predict the fatalities for 100 of number yearly accidents.
U.S. Airline Safety, Scheduled Commercial Carriers, 1985–2020
Where
X= your CGPA
Y= the last two digits of your (if last two digits is 23, y=23)
Z= sum of last two digits of your ID (if last two digits is 23, z=2+3=5)