Computing value of exponentially smoothed series

Assignment Help Basic Statistics

Reference no: EM1321573

Q1) Smoothing techniques are utilized to remove rapid fluctuation in time series so general trend can be seen.

True

False

Q2) The exponential smoothing constant can be any number between 0 and 100

True

False

Q3) Smaller choices of the exponential smoothing constant w assign more weight to the current value of the series and yield a smoother series.

True

False

Q4) Table lists number (in millions) of Chevrolet passenger cars sold to dealers in U.S. and Canada from 1980 to 1985.

Year	Sales
1980	1.740
1981	1.444
1982	0.896
1983	1.289
1984	1.455
1985	4.882

Using smoothing constant of w = .80, compute the value of exponentially smoothed series in 1983.

a) 1.228

b) 1.235

c) 1.340

d) 1.289

Q5) The ______ of time series can account for fluctuations which occur during a specified period of the year

a) Seasonal effect

b) Residual effect

c) Cyclical fluctuation

d) Secular trend

Reference no: EM1321573

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