SCENARIO 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 Scenario 12-15, what is the standard deviation of the Wilcoxon rank sum test statistic 
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Definitions:
Domestic Price
The price of goods or services within a country's borders, typically influenced by local demand and supply.
Imported Wine
Wine brought into a country from another country for sale and consumption.
Quantity Imported
The total number of goods or services brought into a country from abroad for sale.
Import Quotas
Restrictions set by the government on the amount or monetary value of products allowed to be imported into a nation.
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