An experiment measures how long mice take to find the cheese in a maze, Y;, and compares it with the result of a different measurement of the mouse's intelligence, X;. Based on the results for just 4 mice (see table below), calculate the slope of the line of best fit. (Give your answer correct to 3 decimal places.) Mouse number, i 1 2 3 4 Intelligence, X; Time to find cheese, Y 40.8 39.3 28.9 22.8 10 12 14 19

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