Question

Your friend Josh tells you that he spends less on gas in the winter than in the summer. He also says that he has to fill up his tank less often in the winter.

(a) Which of the following are possible hypotheses that can be formed from Josh’s observations? (You can choose multiple answers)
-Assuming the gas prices are the same, gas expands when the temperature is higher.
-Assuming the gas prices are the same, cars get better gas mileage when the temperature is lower.
-Assuming the gas prices are the same, Josh doesn’t drive as far in the winter as he does in the summer.
-Assuming the gas prices are the same, Josh is a lousy driver in the summer.
-Assuming the gas expansion is negligible, gas prices are higher in the winter.