Question

Please assist with the following:

Consider the data in Table 1:

1. What is the average miles per gallon for city driving?

2. On Average, how much higher is the miles per gallon for highway driving as compared to city

   driving?

3. What percentage of the cars have four-cylinder engines?

4. What percentage of the cars use Regular fuel?

Table 1: ECONOMY INFORMATION FOR 10 AUTOMOBILES
Car	Size	Cylinders	City MPG	Highway MPG	Fuel
Audi 8	Large	12	13	19	Premium
BMW 328Xi	Compact	6	17	25	Premium
Cadillac CTS	Midsize	6	16	25	Regular
Chrysler 300	Large	8	13	18	Premium
Ford Focus	Compact	4	24	33	Regular
Hyundai Elantra	Midsize	4	25	33	Regular
Jeep Grand Cherokee	Midsize	6	17	26	Diesel
Pontiac G6	Compact	6	15	22	Regular
Toyota Camry	Midsize	4	21	31	Regular
Volkswagen Jetta	Compact	5	21	29	Regular

Answer 1

A)	Average miles per gallon for city driving = Add all City MPG and divide by 10	18.2
	Average miles per gallon on highway driving = add all highway MPG and divide by 10	26.1
B)	Miles per gallon for highway driving is more than city driving by
	Average miles per gallon on highway - Average miles per gallon in City
		7.9
C)	Percentage of cars having 4 cylinder engine
	number of 4's in cylinder column (which is 3) divided by total count of cars (10)
	30%
D)	Percentage of cars using regular fuel
	number of times regular is written in fuel column (6) divided by total number of cars (10)
	60%