Use the following linear regression equation to answer the questions. x1 = 2.0 + 3.6x2 – 7.8x3 + 2.1x4   a) Suppose x3 and x4 were held at fixed but arbitrary values and x2 increased by 1 unit. What would be the corresponding change in x1? b) Suppose x2 increased by 2 units. What would be the expected change in x1? c) Suppose x2 decreased by 4 units. What would be the expected change in x1?

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Q: Use the following linear regression equation to answer the questions. x1 = 1.5 + 3.6x2 – 7.8x3 +…

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Q: Use the following linear regression equation to answer the questions. x1 = 1.5 + 3.6x2 – 7.8x3 +…

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Q: Use the following linear regression equation to answer the questions. x1 = 1.5 + 3.6x2 – 7.8x3 +…

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