TABLE 12-15 Two New Different Models of Compact SUVs Have Just Arrived

question 120

Multiple Choice

TABLE 12-15
Two new different models of compact SUVs have just arrived at the market.You are interested in comparing the gas mileage performance of both models to see if they are the same.A partial computer output for twelve compact SUVs of model 1 and thirteen of model 2 is given below: You are told that the gas mileage population distributions for both models are not normally distributed.
-Referring to Table 12-15,what is your conclusion on the test using a 5% level of significance?

• A)There is not enough evidence of a difference in median gas mileage.
• B)There is evidence of a difference in median gas mileage.
• C)There is not enough evidence of a difference in mean gas mileage.
• D)There is evidence of a difference in mean gas mileage.

---

Definitions:

Notochord

A flexible, rod-shaped support element found in all embryonic and some adult chordate animals, functioning as a primary axial skeleton.

Sound Production

The creation of sound, a process that involves vibration transmitted through a medium such as air or water, which is then perceived by hearing.

Lightweight Bones

Adaptations in some organisms, such as birds, that reduce overall weight while maintaining structural strength to aid in flight.

Efficient Respiration

The process by which organisms optimize their consumption and utilization of oxygen for energy production, ensuring effective exchange of gases.