TABLE 12-17
Three new different models of compact SUVs have just arrived at the market.You are interested in comparing the gas mileage performance of all three models to see if they are the same.A partial computer output for twelve compact SUVs of each model is given below: 
You are told that the gas mileage population distributions for all three models are not normally distributed.
-Referring to Table 12-17,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.
Correct Answer:
Verified
Q160: TABLE 12-15
Two new different models of compact
Q161: TABLE 12-16
As part of an evaluation program,a
Q162: TABLE 12-17
Three new different models of compact
Q163: TABLE 12-16
As part of an evaluation program,a
Q164: TABLE 12-16
As part of an evaluation program,a
Q166: TABLE 12-16
As part of an evaluation program,a
Q167: TABLE 12-16
As part of an evaluation program,a
Q168: TABLE 12-15
Two new different models of compact
Q169: TABLE 12-17
Three new different models of compact
Q170: TABLE 12-16
As part of an evaluation program,a
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