Miles Per Gallon (MPG) figures for 30 automobile/small truck
models sold in the US in 1988 were collected. The summary
statistics for the 30 MPG numbers are reported in the table
below:
Min

22

Max

44

Mean

31.6

Median

32

Mode

38

Standard Deviation

5.25

 If all 30 models start with 10 gallons of gasoline and drove
until they ran out of gas, how many miles would the farthest
traveling vehicle travel?
 If all 30 models start with 10 gallons of gasoline and drove
until they ran out of gas, how many miles would the vehicle
traveling the least distance travel?
 If all 30 models start with 10 gallons of gasoline and drove
until they ran out of gas, how many miles would the 30 vehicle
fleet travel?
 How many vehicles would travel 320 or more miles? (1) At least
15, (2) exactly 15, (3) At most 15, (4) impossible to tell, or (5)
none of the above.