Guitars R US Has Three Stores Located in Three Different Areas

question 54

Essay

Guitars R. US has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below: $$\begin{array} { c c c } \text { Store 1 } & \text { Store 2 } & \text { Store 3 } \\80 & 85 & 79 \\80 & & 86 \\& & 85 \\& & 76 \\& & 81 \\& & 88 \\& & 89 \\& & 80\end{array}$$ At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores. (Please note that the sample sizes are not equal.)

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Definitions:

Underground Economy

Economic activities that are not reported to the government and therefore not taxed or included in official economic statistics, often involving cash transactions.

Sociologists

Scientists who study society and social behavior by examining the groups, cultures, organizations, social institutions, and processes that develop when people interact and work together.

Sudhir Venkatesh

An Indian American sociologist known for his ethnographic work on urban poverty, gangs, and housing projects in Chicago.

Japanese Americans

Refers to residents or citizens of the United States who are of Japanese ancestry, including those who migrated from Japan or are born in the U.S.