Question: Question 15 The following data were collected during a study of consumer buying patterns: begin{tabular}{cccccc} Observation & x & y & Observation & x &

Question 15 The following data were collected

Question 15 The following data were collected during a study of consumer buying patterns: \begin{tabular}{cccccc} Observation & x & y & Observation & x & y \\ 1 & 11 & 77 & 8 & 20 & 75 \\ 2 & 22 & 81 & 9 & 19 & 70 \\ 3 & 35 & 89 & 10 & 18 & 68 \\ 4 & 28 & 80 & 11 & 26 & 87 \\ 5 & 47 & 101 & 12 & 19 & 88 \\ 6 & 46 & 91 & 13 & 28 & 93 \\ 7 & 33 & 86 & & & \\ \hline \end{tabular} Obtain a linear regression line for the above data. Specifically, what is the value of the slope of the linear regression line? (Round your answer to 2 decimal places.)

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