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Maths (commerce) MCQ

Time Series (p-2) · Maharashtra Board STD 12 Commerce / Arts (MSBSHSE - English Medium). 10 questions.

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MCQ

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10 questions · auto-graded multiple-choice test.

MCQ 11 Mark
What is a disadvantage of the graphical method of determining a trend line?
  • A
    Provides quick approximations
  • ✓
    Is subject to human error
  • C
    Provides accurate forecasts
  • D
    Is too difficult to calculate
Answer
Correct option: B.
Is subject to human error
Is subject to human error
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MCQ 21 Mark
The following trend line equation was developed for annual sales from 1984 to 1990 with 1984 as base or zero year. Y1 = 500 + 60X (in 1000 Rs.) The estimated sales for 1984 (in 1000 Rs) is:
  • ✓
    ₹ 500
  • B
    ₹ 560
  • C
    ₹ 1040
  • D
    ₹ 1100
Answer
Correct option: A.
₹ 500
₹ 500
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MCQ 31 Mark
An overall upward or downward pattern in an annual time series would be contained in which component of the time series
  • ✓
    Trend
  • B
    Cyclical
  • C
    Irregular
  • D
    Seasonal
Answer
Correct option: A.
Trend
Trend
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MCQ 41 Mark
Which of the following is a major problem for forecasting, especially when using the method of least squares?
  • A
    The past cannot be known
  • B
    The future is not entirely certain
  • C
    The future exactly follows the patterns of the past
  • ✓
    The future may not follow the patterns of the past
Answer
Correct option: D.
The future may not follow the patterns of the past
The future may not follow the patterns of the past
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MCQ 51 Mark
We can use regression line for past data to forecast future data. We then use the line which
  • ✓
    Minimizes the sum of squared deviations of past data from the line
  • B
    Minimizes the sum of deviations of past data from the line
  • C
    Maximizes the sum of squared deviations of past data from the line
  • D
    Maximizes the sum of deviation of past data from the line
Answer
Correct option: A.
Minimizes the sum of squared deviations of past data from the line
Minimizes the sum of squared deviations of past data from the line
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MCQ 61 Mark
Moving averages are useful in identifying
  • A
    Seasonal component
  • B
    Irregular component
  • ✓
    Trend component
  • D
    Cyclical component
Answer
Correct option: C.
Trend component
Trend component
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MCQ 71 Mark
Time-series analysis is based on the assumption that
  • A
    Random error terms are normally distributed
  • B
    The variable to be forecast and other independent variable are correlated
  • ✓
    Past patterns in the variable to be forecast will continue unchanged into the future
  • D
    he data do not exhibit a trend
Answer
Correct option: C.
Past patterns in the variable to be forecast will continue unchanged into the future
Past patterns in the variable to be forecast will continue unchanged into the future.
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MCQ 81 Mark
The first step in time series analysis is to
  • A
    Perform regression calculations
  • B
    Calculate a moving average
  • ✓
    Plot the data on a graph
  • D
    Identify seasonal variation
Answer
Correct option: C.
Plot the data on a graph
Plot the data on a graph
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MCQ 91 Mark
Which component of time series refers to erratic time series movements that follow no recognizable or regular pattern.
  • ✓
    Trend
  • B
    Seasonal
  • C
    Cyclical
  • D
    Irregular
Answer
Correct option: A.
Trend
Trend
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MCQ 101 Mark
Which of the following can’t be a component of a time series?
  • A
    Seasonality
  • B
    Cyclical
  • C
    Trend
  • ✓
    Mean
Answer
Correct option: D.
Mean
Mean
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