16th Chapter

ICS Part 2 Statistics Chapter 16 Online Test MCQ's

2nd Year Statistics Chapter 16 Online MCQ Test for 12th Class Statistics Chapter 16 (Analysis of Time Series)

ICS Part 2 Statistics Online
Chapter 16 Test

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ICS Part 2 Statistics Chapter Wise Online
MCQ's Test

2nd Year Statistics Chapter 16 Online MCQ Test for 12th Class Statistics Chapter 16 (Analysis of Time Series)

Sr. # Questions Answers Choice
1 The rise and fall of a time series periods longer than one- year is called.
  • A. Secular trend
  • B. Seasonal variation
  • C. Cyclical variation
  • D. Irregular variation
2 The secular trend is measured by the method of semi-averages when
  • A. time series contains yearly values
  • B. trend is linear
  • C. time series contains odd number of values
  • D. none of these
3 The graph of a time series is called
  • A. histogram
  • B. polygon
  • C. straight line
  • D. historigram
4 Methods of semi-averages gives an
  • A. accurate result
  • B. objective result
  • C. authentic result
  • D. none of these
5 For a least squares linear trend=ŷ = a + bx, b is the
  • A. variable
  • B. intercept
  • C. trend
  • D. slope
6 The equation of the quadratic (parabolic) trend is
  • A. ŷ=a+bx
  • B. ŷ=a+by
  • C. ŷ=a+bΣx+cΣx<sup>2</sup>
  • D. ŷ=a+bx+cx<sup>2</sup>
7 For a least squares linear trend Y = a + bx, the&nbsp;Σ(Y - Y)<sup>2</sup> = 0 when:
  • A. All the Y-values are positive
  • B. All the Y-values lie on the line
  • C. All the Y-values lie above the line
  • D. None of these
8 The unsystematic sequence which follows irregular pattern of variations is called:
  • A. Noise
  • B. Signal
  • C. Linear
  • D. Non-linear
9 For a least squares linear trend=ŷ= a + b x,
  • A. Σy &lt;Σŷ
  • B. Σŷ = 0
  • C. Σy =Σŷ
  • D. none of these
10 In time series seasonal variations can occur within a period of:
  • A. Nine years
  • B. Four Years
  • C. Three years
  • D. One year

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    Abubaker

    16 Dec 2017

    Nice way to study mcqs thanks ilmkiduniya.

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