12. When a time series appears to be increasing at an increasingrate, such that

Question

12.

When a time series appears to be increasing at an increasingrate, such that the percentage difference from observation toobservation is constant, the appropriate model to fit is the

A) linear trend.
B) exponential trend.
C) quadratic trend.
D) none of the above

13.

Which of the following statements about the method ofexponential smoothing is not true?

A) It gives greater weight tomore recent data.
B) It can be used forforecasting.
C) It gives greater weight tothe earlier observations in the series.
D) It uses all earlierobservations in each smoothing calculation.

14.

Which of the following is NOT an advantage of exponentialsmoothing?

Explanation / Answer

12) The answer is A) 13)The answer is D) 14)The answer is D)

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