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Consider the following sample regression function and model ed output: // Oorweeg die volgende steekproef regressiefunksie en 1.00 model afvoer: Y = at B ,

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Consider the following sample regression function and model ed output: // Oorweeg die volgende steekproef regressiefunksie en 1.00 model afvoer: Y = at B , X , + B2X2+ B3X3 Coefficients Standard Error t Stat P-value Intercept 23.250 12.374 1.879 0.097 X1 0.725 0.158 4.595 0.002 X2 1.100 0.387 2.846 0.022 X3 0.233 0.387 0.604 0.563 What would happen to Y if: // Wat sou met Y gebeur as: . X1 increased by 3 units, // X1 met 3 eenhede toegeneem het, . X2 decreased by 1 unit, and // X2 met 1 eenheid afgeneem het, en . X3 decreased by 1 unit, and // X3 met 1 eenheid afgeneem het. Y would / / Y sou by a value of // met 'n waarde van

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