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Part 2. For each of the following models, state what the expected value of Y is when X = 25. Also, state how the predicted

Part 2. For each of the following models, state what the expected value of Y is when X = 25. Also, state how the predicted value of Y changes when X increases by 5 units (i.e., a 20% increase).

1. Y = 25 - 5X

2. lnY = 2.5 + 0.05X

3. Y = -600 + 300(lnX)

4. lnY = 2.5 + 0.5(lnX)

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