Suppose that a customer is purchasing a car. He conducts an experimentin which h

ID: 3201470 • Letter: S

Question

Suppose that a customer is purchasing a car. He conducts an experimentin which he puts 10 gallons of gas in the car and Describe each data set, that is determine the shape, center, and spread. drives it until it runs out of gas. He conducts this experiment 15 times on each car and records the number of miles driven. Sample mean for Car 1 Full data set X mil 10 gal Ca Type an integer or decimal rounded to one decimal place as needed.) 2115 224 202 2246 Sample mean for Car 2 258 295 55 mi 10 gal Type an integer or decimal rounded to one decimal place as needed.) Car 2 Median for Ca 162 230 278 171 266 M 0 gal 285 302 321 280 282 (Type a unded to one decimal place as needed integer o decimal ro Median for Car 2 M mi 0 gal Type an integer or decimal rounded to one decimal place as needed

Explanation / Answer

Result:

Descriptive statistics

car1

car2

mean

249.60

248.53

sample standard deviation

24.20

45.92

sample variance

585.83

2,108.70

minimum

202

162

maximum

295

321

range

159

1st quartile

240.00

220.00

median

250.00

251.00

3rd quartile

263.00

281.00

interquartile range

23.00

61.00

Car1 mean : 249.6

Car2 mean : 248.5

Car1 median : 250.0

Car2 median : 251.0

Car1 Range: 93.0

Car2 range: 159.0

Car1 standard deviation : 24.2

Car2 standard deviation : 45.9

A).. Car1 because it has a lower sample standard deviation hence more predictable gas mileage.