You are given the following information on miles per gallon (mpg), based on samples collected from two car models: Model A and Model B
Model A: Five-number summary = (30, 34.125, 34.75, 35.87, 38)
Mean = 34.75
Standard deviation = 1.98
Model B: Five-number summary = (30, 31.5, 32, 32.5, 34.75)
Mean = 32.20
Standard deviation = 0.975
a) What is the best mpg of Model A cars tested?
b) What is the car with the highest mpg, model A or model B?
c) On average, which car model tested had better mpg, model A or B?
d) Do you expect greater variability in the mpg of model A or model B? Explain.
e) What percentage of model A cars have larger mpg than the best model B performer?