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Unformatted text preview: ely or negatively autocorrelated AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 2
Topic: Time series regression 24. If the errors produced by a forecasting method for 3 observations are + 3, + 3 and  3, then
what is the mean absolute deviation?
A. 9
B. 0
C. 3
D. 3 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 6
Topic: Forecasting 25. If the errors produced by a forecasting method for 3 observations are + 3, + 3 and  3, then
what is the mean squared error?
A. 9
B. 0
C. 3
D. 3
E. 2 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 6
Topic: Forecasting 11585 Chapter 01  An Introduction to Business Statistics 26. If the errors produced by a forecasting method for 3 observations are 1, 2 and 6, then
what is the mean squared error (deviation)?
A. 9
B. 9
C. 3
D. 13.67 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 6
Topic: Forecasting 27. All of the following are forecasting methods except
A. HoltWinters' double exponential smoothing
B. Box and Jenkins
C. Time series regression
D. MAD autocorrelation AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 2
Topic: Forecasting 28. When a forecaster uses the _________________ method she or he assumes that the time
series components are changing quickly over time.
A. Time series regression
B. Simple exponential smoothing
C. Box and Jenkins
D. Multiplicative decomposition AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 2
Topic: Time series regression 11586 Chapter 01  An Introduction to Business Statistics 29. When a forecaster uses the ______________ method she or he assumes that the time
series components are changing slowly over time.
A. Time series regression
B. Exponential smoothing
C. Box and Jenkins
D. Multiplicative decomposition AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 5
Topic: Exponential Smoothing 30. A restaurant has been experiencing higher sales during the weekends of compared to the
weekdays. Daily restaurant sales patterns for this restaurant over a week are an example of
_________ component of time series.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 1
Topic: Time series analysis 31. The ________ component of a time series measures the fluctuations in a time series due to
economic conditions of prosperity and recession with a duration of approximately 2 years or
longer.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 1
Topic: Time series analysis 11587 Chapter 01  An Introduction to Business Statistics 32. The _______ component of time series consists of erratic and unsystematic fluctuations in
a time series data.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 1
Topic: Time series analysis 33. The _______ component of time series reflects the longrun decline or growth in a time
series.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 1
Topic: Time series analysis 34. _________ component of time series refers to the erratic timeseries movement that
follow no recognizable or regular pattern.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 1
Topic: Time series analysis 11588 Chapter 01  An Introduction to Business Statistics 35. In general, the number of dummy variables used to model constant seasonal variation is
equal to the number of
A. seasons
B. seasons minus 1
C. seasons plus 1
D. seasons minus 2
E. seasons divided by two AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 2
Topic: Time series regression 36. When the moving average method is used to estimate the seasonal factors with quarterly
sales data, a ______ period moving average is used.
A. 2
B. 3
C. 4
D. 5
E. 8 AACSB: Analytic
Bloom's: Application
Difficulty: Easy
Learning Objective: 4
Topic: Moving averages 37. A sequence of values of some variable or composite of variables taken at successive,
uninterrupted time periods, is called a
A. Least squares (linear) trend line
B. Moving averages
C. Cyclical component
D. Time series
E. Seasonal factor AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Learning Objective: 1
Topic: Time series analysis 11589 Chapter 01  An Introduction to Business Statistics 38. Those fluctuations that are associated with climate, holidays and related activities are
referred to as ___________ variations.
A. Trend
B. Seasonal
C. Cyclical
D. Irregular AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Learning Objective: 1
Topic: Time series a...
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This document was uploaded on 01/20/2014.
 Winter '14

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