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?

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Definitions:

Pneumoconiosis

A type of lung disease caused by the inhalation of dust, leading to inflammation and scarring of the lung tissue.

Malignant Tumor

A type of cancerous growth capable of invading other parts of the body and potentially leading to serious health risks or death.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, secreting a fluid that lubricates organ surfaces.

Inflammation

A biological response to injury or infection, leading to redness, heat, swelling, and pain in the affected area.