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A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded. Determine the regression line equation.

Hours without Sleep, x 32 38 48 24 46 35 30 34 42

Number of Mistakes, y 6 8 13 5 7 6 5 8 12

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