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Applied Statistics One Mark Question

12th Standard

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Business Maths

Time : 00:30:00 Hrs
Total Marks : 10
    10 x 1 = 10
  1. A time series is a set of data recorded ________.

    (a)

    Periodically

    (b)

    Weekly

    (c)

    successive points of time

    (d)

    all the above

  2. A time series consists of ________.

    (a)

    Five components

    (b)

    Four components

    (c)

    Three components

    (d)

    Two components

  3. The components of a time series which is attached to short term fluctuation is ________.

    (a)

    Secular trend

    (b)

    Seasonal variations

    (c)

    Cyclic variation

    (d)

    Irregular variation

  4. Factors responsible for seasonal variations are ________.

    (a)

    Weather

    (b)

    Festivals

    (c)

    Social customs

    (d)

    All the above

  5. The additive model of the time series with the components T, S, C and I is ________.

    (a)

    y = T + S + C × I

    (b)

    y = T + S × C × I

    (c)

    y = T + S + C + I

    (d)

    y = T + S × C + I

  6. Least square method of fitting a trend is ________.

    (a)

    Most exact

    (b)

    Least exact

    (c)

    Full of subjectivity

    (d)

    Mathematically unsolved

  7. The value of ‘b’ in the trend line y = a + bx is ________.

    (a)

    Always positive

    (b)

    Always negative

    (c)

    Either positive or negative

    (d)

    Zero

  8. The component of a time series attached to long term variation is trended as ________.

    (a)

    Cyclic variation

    (b)

    Secular variations

    (c)

    Irregular variation

    (d)

    Seasonal variations

  9. The seasonal variation means the variations occurring with in ________.

    (a)

    A number of years

    (b)

    within a year

    (c)

    within a month

    (d)

    within a week

  10. Another name of consumer’s price index number is: ________.

    (a)

    Whole-sale price index number

    (b)

    Cost of living index

    (c)

    Sensitive

    (d)

    Composite

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