In Spring 2014 922 Stat100 students responded to this survey question: "20 years down the road, what do you expect your income to be?" Are there differences between the 5 ethnic groups (White, Blac Hispanic, Asian, Mixed/Other) on how much they expect to be earning 20 years from now? Here are the results:

Level of Ethnicity Average SD n
Expected Income White 114700 45780 475
Expected Income Black 136800 50840 106
Expected Income Hispanic 110900 43400 112
Expected Income Asian 125100 53280 190
Expected Income Other 112800 49960 39

First do an overall test to see if any of the differences are significant in the population given that R2 0.02670.

Compute the Chi Square Statistic