Question: Suppose we are interested in the regression relationship between the variables of X and Y, such as X 4, 5, 5, 6, 7, 9, 10,

Suppose we are interested in the regression relationship between the variables of X and Y, such as

X 4, 5, 5, 6, 7, 9, 10, 8, 7, 10 and

Y 12, 9, 8, 9, 10, 6, 8, 8, 7, 7

The mean of X is 7.1. If we assume the Gauss Markov theorem holds and the regression relationship is given by y_i = b_1 + b_2 * x_i + e_i. Please calculate b_1:

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