Question: Linear regression has been applied to data for the engine power on the engine displacement for 20 petrol engines. A linear model y=60x10 has been

Linear regression has been applied to data for the engine power

Linear regression has been applied to data for the engine power on the engine displacement for 20 petrol engines. A linear model y=60x10 has been obtained, where ' x ' is in litres, and ' y ' is in kilowatts. What is the predicted value for power of an engine with the displacement of 1.5 litres? What is the value of residual, if the true measured power for this engine is 80 kilowatt? What are the applicability limits for this model

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