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It has been stated that income increases with the amount of education one receives. Recently I sampled some managers (technical, construction, sales, and manufacturing), compared their salaries to each other and asked the amount of education that had received. .At the 0.05 alpha determine if there is any variance among the three groups related to income when compared to the amount of education they received.


INCOME (In Thousands)
High School Diploma Undergrad Master’s or more

45 49 51
47 57 73
53 85 82
62 73 59
39 81 94
43 84 89
54 89 89
60 92 96
56 62 73

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