Is there a difference in the amount of customers' initial deposits when they open savings accounts according to geographic region of the United States? To test this question, an analyst selects savings and loan offices of equal size from four regions of the United States. The offices selected are located in areas having similar economic and population characteristics. The analyst randomly selects adult customers who are opening their first savings account and obtains the following dollar amounts. Use the Kruskal-Wallis test to determine whether there is a significant difference between geographic regions.

Use a =.05.

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Region 1 Region 2 $225 950 100 350 275 Region 3 $675 500 1,100 310 660 Region 4 $1,200 450 110 800 375 200 $1,075 1,050 750 180 330 680 425