TABLE 12-18 Two New Different Models of Compact SUVs Have Just Arrived

question 116

Short Answer

TABLE 12-18
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 12-18, what is the standard deviation of the Wilcoxon rank sum test statistic T₁?

---

Definitions:

Gender Differences

The distinctions in characteristics and behaviors typically associated with being male or female, influenced by biological, social, and cultural factors.

Hallucinogenic Drug

Substances that cause alterations in perception, mood, and cognitive processes by affecting the brain.

Imaginary Audience

The belief that others around us are as concerned with our thoughts and behaviors as we are; one aspect of adolescent egocentrism.

Self-Conscious

An acute awareness of oneself, one's appearance, or one's actions, often leading to feeling overly concerned with how one is perceived by others.