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Applied Maths MCQ

Time Series Analysis · CBSE STD 12 Science (CBSE - English Medium). 15 questions.

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15 questions · timed · auto-graded

MCQ 11 Mark
A set of observations recorded at an equal interval of time is called.
  • A
    Array data
  • B
    Data
  • C
    Geometric Series
  • ✓
    Time series data
Answer
Correct option: D.
Time series data
(D) Time series data
Explanation: A time series is a set of observations taken at specified times, usually at equal intervals.
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MCQ 21 Mark
In the measurement of the secular trend, the moving averages:
  • ✓
    Smooth out the time series
  • B
    Given the trend in a straight line
  • C
    Measure the seasonal Variations
  • D
    None of the above
Answer
Correct option: A.
Smooth out the time series
(A) Smooth out the time series
Explanation: Moving averages is a series of arithmetic means of variate values of a sequence. This is another way of drawing a smooth curve for a time series data.
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MCQ 31 Mark
In the theory of time series, shortage of certain consumer goods before the annual budget is due to
  • ✓
    Seasonal Variation
  • B
    Secular Trend
  • C
    Irregular Variations
  • D
    Cyclic Variation
Answer
Correct option: A.
Seasonal Variation
(A) Seasonal Variation
Explanation: Seasonal variation is variation in a time series within one year that is repeated more or less regularly. So, shortage of consumer goods before the annual budget is due to seasonal variation.
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MCQ 41 Mark
Prosperity, Recession, and depression in a business is an example of:
  • A
    Irregular Trend
  • B
    Secular Trend
  • ✓
    Cyclical Trend
  • D
    Seasonal Trend
Answer
Correct option: C.
Cyclical Trend
(C) Cyclical Trend
Explanation: There are 4 phases through which trade cycles are passed. They are prosperity, reces sion, depression, and recovery. In economic terms, these 4 stages are called economic fluctuations.
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MCQ 51 Mark
The following are the movement(s) in the secular trend.
  • A
    Smooth
  • B
    Regular
  • C
    Steady
  • ✓
    All of these
Answer
Correct option: D.
All of these
(D) All of these
Explanation: Secular trend is that component of the time series which gives the general tendency of the data for a long periods. It is smooth, regular and long term (steady) movement of a series,
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MCQ 61 Mark
The best-fitted trend line is one for which sum of squares of residuals or errors is:
  • A
    Positive
  • ✓
    Minimum
  • C
    Negative
  • D
    Maximum
Answer
Correct option: B.
Minimum
(B) Minimum
Explanation: The line is termed as the line of best fit from which the sum of squares of distances from the points is minimized.
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MCQ 71 Mark
An orderly set of data arranged in accordance with their time of occurrence is called:
  • A
    Arithmetic Series
  • B
    Geometric Series
  • C
    Harmonic Series
  • ✓
    Time Series
Answer
Correct option: D.
Time Series
(D) Time Series
Explanation: The organized series of data on the basis of any measure of time is called Time seriesc
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MCQ 81 Mark
The most commonly use mathematical method for measuring the trend is:
  • A
    Moving average method
  • B
    Semi average method
  • ✓
    Method of least squares
  • D
    None of these
Answer
Correct option: C.
Method of least squares
C
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MCQ 91 Mark
The most commonly use mathematical method for measuring the trend is:
  • A
    Moving average method
  • B
    Semi average method
  • ✓
    Method of least squares
  • D
    None of these
Answer
Correct option: C.
Method of least squares
(C) Method of least squares
Explanation: When trend is linear, then only we use moving ayerage method for measurement.
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MCQ 101 Mark
Moving average method is used for measurement of trend when:
  • ✓
    Trend is linear
  • B
    Trend is non-linear
  • C
    Trend is curvilinear
  • D
    None of these
Answer
Correct option: A.
Trend is linear
(A) Trend is linear
Explanation: When trend is linear, then only we use moving average method for measurement.
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MCQ 111 Mark
The graph of time series is called
  • A
    Histogram
  • ✓
    Straight line
  • C
    Historigram
  • D
    Ogive
Answer
Correct option: B.
Straight line
B
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MCQ 121 Mark
Increase in the number of patients in the hospital due to heat stroke is:
  • A
    Secular trend
  • B
    Irregular variation
  • ✓
    Seasonal variation
  • D
    Cyclical variations
Answer
Correct option: C.
Seasonal variation
(C) Seasonal variation
Explanation: In seasonal variation, tendency movements are due to the nature which repeat themselves periodically in every season.
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MCQ 131 Mark
Which of the following can't be a component for a time series plot?
  • A
    Seasonality
  • B
    Trend
  • C
    Noise
  • ✓
    None of these
Answer
Correct option: D.
None of these
D
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MCQ 141 Mark
Which of the following is not an example of a time series model?
  • ✓
    Naive approach
  • B
    Exponential smoothing
  • C
    Moving average
  • D
    None of these
Answer
Correct option: A.
Naive approach
A
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MCQ 151 Mark
Which of the following is an example of time series problem?
(i) Estimating numbers of hotel rooms booking in next 6 months.
(ii) Estimating the total sales in next 3 years of an insurance company.
(iii) Estimating the number of calls for the next one week.
  • A
    Only (iii)
  • B
    (i) and (ii)
  • ✓
    (i), (ii) and (iii)
  • D
    (ii) and (iii)
Answer
Correct option: C.
(i), (ii) and (iii)
(C) (i), (ii) and (iii)
Explanation: All the component are associated with time
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MCQ - Applied Maths STD 12 Science Questions - Vidyadip