2. Given the data, test whether there is a relationship between the number of years in college (X) of the students and their subsequent yearly income at 5% level of significance. Number of Income Y XY Years in College (Y) (X) 15 15 3 20 25 30 6. 35 ΣΧ- ΣΥΞ ΣΧΕ ΣΥΕ ΣΧΥ

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