2720 Time Series Smoothing

8 Questions | Total Attempts: 118

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2720 Time Series Smoothing

Questions and Answers
  • 1. 
    Which of the cases below would appropriately smooth a data set with 5 Mean Smoothing.
    • A. 

      Monday to Friday Sales of Bread and Milk from a Milk Bar for 5 weeks

    • B. 

      Quarterly Sales figures for Cars at a Holden Dealership for 5 years

    • C. 

      Weekly entry figures at the Melbourne Zoo over 5 months

    • D. 

      Daily entry figures for the Melbourne Zoo over 5 months

    • E. 

      Sale of pies from the school canteen over a three week period

  • 2. 
    Which of the cases below would appropriately smooth a data set with 4 Moving Median or Mean Smoothing.
    • A. 

      Monday to Friday Sales of Bread and Milk from a Milk Bar for 4 weeks

    • B. 

      Quarterly Sales figures for Cars at a Holden Dealership for 3 years

    • C. 

      Weekly entry figures at the Melbourne Aquarium over 4 months

    • D. 

      Daily entry figures for the Melbourne Aquarium over 3 months

    • E. 

      Sale of pies from the school canteen over a 4 week period

  • 3. 
    Which of the cases below would appropriately smooth a data set with 3 Moving Median or Mean Smoothing.
    • A. 

      Monday to Friday Sales of Bread and Milk from a Milk Bar for 3 weeks

    • B. 

      Viewing statistics for a TV show that airs from Tuesday to Thursday night for 2 Months

    • C. 

      Weekly entry figures at the Melbourne Aquarium over 3 months

    • D. 

      Daily entry figures for the Melbourne Aquarium over 3 months

    • E. 

      Sale of pies from the school canteen over a 3 week period

  • 4. 
    Which of the cases below would appropriately smooth a data set with 2 Moving Median or Mean Smoothing.
    • A. 

      Monday to Friday Sales of Bread and Milk from a Milk Bar for 2 months

    • B. 

      Viewing statistics for a TV show that airs on Monday and Friday night for 6 weeks

    • C. 

      Weekly entry figures at the Melbourne Aquarium over 2 months

    • D. 

      Daily entry figures for the Melbourne Aquarium over 2 months

    • E. 

      Sale of pies from the school canteen over a 2 week period

  • 5. 
    A farmer shears his sheep twice a year, with one yeild being significantly higher than the other. He records his outcomes for 5 years, creating a time series plot. Which method will best smooth the data?
    • A. 

      2 Moving Mean or Median Smoothing

    • B. 

      3 Moving Mean or Median Smoothing

    • C. 

      4 Moving Mean or Median Smoothing

    • D. 

      5 Moving Mean or Median Smoothing

  • 6. 
    A property sales specialist works Friday to Sunday, for four hours each day. The display home attracts a large number of visitors, and statistics are kept on the number of inquiries generated each day. There is a significant difference in the between results over a four month period. What is the best method to smooth the data?
    • A. 

      2 Moving Mean or Median Smoothing

    • B. 

      3 Moving Mean or Median Smoothing

    • C. 

      4 Moving Mean or Median Smoothing

    • D. 

      5 Moving Mean or Median Smoothing

  • 7. 
    A property sales specialist works Monday to Thursday, for five hours each day. The display home attracts a large number of visitors, and statistics are kept on the number of inquiries generated each day. There is a significant difference in the between results over a three month period. What is the best method to smooth the data?
    • A. 

      2 Moving Mean or Median Smoothing

    • B. 

      3 Moving Mean or Median Smoothing

    • C. 

      4 Moving Mean or Median Smoothing

    • D. 

      5 Moving Mean or Median Smoothing

  • 8. 
    A property sales specialist works Monday to Friday, for four hours each day. The display home attracts a large number of visitors, and statistics are kept on the number of inquiries generated each day. There is a significant difference in the between results over a three month period. What is the best method to smooth the data?
    • A. 

      2 Moving Mean or Median Smoothing

    • B. 

      3 Moving Mean or Median Smoothing

    • C. 

      4 Moving Mean or Median Smoothing

    • D. 

      5 Moving Mean or Median Smoothing

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