1.      Toyota would like to determine if the overalla
1. Toyota would like to determine if the overallaverage (mean) gas mileage of its current portfolio of passenger cars. To do so, they randomly select 200 vehicleswithin each of the four primary car classifications, for a total of 800cars. Each car was then driven for 300miles to determine its average gas mileage while undergoing various drivingconditions (city, freeway, etc.).a. Parameterb. Samplec. Populationd. Statistice. variablef. Data