In: Statistics and Probability
Does octane matter: Octane is a measure of how much fuel can be compressed before it spontaneously ignites. Some people believe that higher-octane fuels result in better gas mileage for their cars. The number of miles driven for various drivers until the car ran out of gas was recorded. Does high-octane fuel result in better gas mileage? Use significance level 0.05. (Paired samples).
Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
87 octane | 234 | 257 | 243 | 215 | 114 | 287 | 315 | 229 | 192 | 204 | 547 |
92 octane | 237 | 238 | 229 | 224 | 119 | 297 | 351 | 241 | 186 | 209 | 562 |