Question: The following information is obtained from a sample data set. n = 12, x = 66, y = 588, xy = 2244, x2 = 396,

The following information is obtained from a sample data set.
n = 12, ∑x = 66, ∑y = 588, ∑xy = 2244,
∑x2 = 396, and ∑y2 = 58,734
Find the values of se and r2.

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