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A Large Automobile Parts Supplier, Keeps Track of the Demand

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A large automobile parts supplier, keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five year period. A large automobile parts supplier, keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five year period. a. Identify the dominant time series component (s) in the data. b. Suppose that the single exponential smoothing (SES) model was applied to these data. Below are time series graphs showing SES results using two different smoothing constants (α = 0.2 and α = 0.8). In which application is a larger value of α used? I. ii. c. What forecasting method may be a better choice than SES for these data? Explain. a. Identify the dominant time series component (s) in the data.
b. Suppose that the single exponential smoothing (SES) model was applied to these data. Below are time series graphs showing SES results using two different smoothing constants (α = 0.2 and α = 0.8). In which application is a larger value of α used?
I. A large automobile parts supplier, keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five year period. a. Identify the dominant time series component (s) in the data. b. Suppose that the single exponential smoothing (SES) model was applied to these data. Below are time series graphs showing SES results using two different smoothing constants (α = 0.2 and α = 0.8). In which application is a larger value of α used? I. ii. c. What forecasting method may be a better choice than SES for these data? Explain. ii. A large automobile parts supplier, keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five year period. a. Identify the dominant time series component (s) in the data. b. Suppose that the single exponential smoothing (SES) model was applied to these data. Below are time series graphs showing SES results using two different smoothing constants (α = 0.2 and α = 0.8). In which application is a larger value of α used? I. ii. c. What forecasting method may be a better choice than SES for these data? Explain. c. What forecasting method may be a better choice than SES for these data? Explain.

Definitions:

Stroke Volume

The amount of blood ejected from the left ventricle of the heart during each contraction.

Preload

Volume of blood in the ventricles at the end of diastole, immediately before ventricular contraction.

Intravenous (IV) Fluids

Liquids given through a vein to provide essential nutrients or medications directly into the bloodstream.

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

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