Honda or Lexus? The following data represent the combined (city and highway) fuel efficiency in miles per gallon for independent random samples of models manufactured by Honda and Lexus. Use this data for Exercises 45–53.
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| Honda car | mpg | Lexus car | mpg |
|---|---|---|---|
| Accord | 24 | GX 470 | 15 |
| Odyssey | 18 | LS 460 | 18 |
| Civic Hybrid | 42 | RX 350 | 19 |
| Fit | 31 | IS 350 | 20 |
| CR-V | 23 | GS 450 | 23 |
| Ridgeline | 17 | IS 250 | 24 |
| S2000 | 21 |
hondalexus
51. Describe the difference of the combined mpg between the Honda cars and the Lexus cars, in terms of the IQR measure of spread.
3.5.51
Honda: IQR = 13 mpg; Lexus: IQR = 5 mpg. The IQR for the Honda cars is larger than the IQR for the Lexus cars. This indicates that the data for the Honda cars has a larger spread than the data for the Lexus cars.