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

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MCQ's Test For Chapter 0 "ICS Part 2 Statistics Chapter 16 Online Test"

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ICS Part 2 Statistics Chapter 16 Online Test

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Question # 1

The least squares estimates are unbiased estimates of the

Question # 2

For a least squares linear trend ŷ = a + bx, the Σ(y-ŷ)2 = 0 when

Question # 3

The graph of a time series is called

Question # 4

The graph of time series is called:

Question # 5

A business cycle has

Question # 6

Which one is a rough and crude method for measuring secular trend ?

Question # 7

In the measurement of secular trend the moving averages:

Question # 8

In a straight line equation Y = a + bX; a is the:

Question # 9

The straight line is fitted to a time series when the movements in the time series are

Question # 10

The additive model of the time series is:

Question # 11

For a least squares linear trend Y = a + bx, the Σ(Y - Y)2 = 0 when:

Question # 12

ŷ=a+bx, this line will be called least squares line if it makes=Σ(y-a-bx)2

Question # 13

The rise and fall of a time series periods longer than one- year is called.

Question # 14

The multiplicative time series model is:

Question # 15

For a least squares linear trend Y = a + bX

Question # 16

For a least squares linear trend=ŷ = a + bx, b is the

Question # 17

In moving average method, we cannot find the trend values of some:

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ICS Part 2 Statistics Chapter 16 Online Test MCQ's

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Sr.# Question Answer
1 The unsystematic sequence which follows irregular pattern of variations is called:
A. Noise
B. Signal
C. Linear
D. Non-linear
2 The straight line is fitted to a time series when the movements in the time series are
A. linear
B. quadratic
C. cubic
D. constant
3 The systematic components of time series which follow regular pattern of variations are called:
A. Noise
B. Signal
C. Additive model
D. Multiplicative model
4 Which one is a rough and crude method for measuring secular trend ?
A. free hand curve method
B. semi average method
C. moving averages method
D. least square method
5 The additive model of the time series is:
A. Y = T + S + C + I
B. TSCI
C. Y = a + bX
D. Y = a + bX + cX2
6 The secular trend is measured by the method of semi-averages when:
A. Time series contains yearly value
B. Trend is linear
C. Time series contains odd number of values
D. None of them
7 A business cycle has
A. one phase
B. two phases
C. three phases
D. four phases
8 In time series seasonal variations can occur within a period of:
A. Nine years
B. Four Years
C. Three years
D. One year
9 The graph of a time series is called
A. histogram
B. polygon
C. straight line
D. historigram
10 The least squares estimates are unbiased estimates of the
A. statistic
B. time series
C. parameters
D. variance
11 In moving average method, we cannot find the trend values of some:
A. Middle periods
B. End periods
C. Starting periods
D. Between extreme periods
12 Methods of semi-averages gives an
A. accurate result
B. objective result
C. authentic result
D. none of these
13 ŷ=a+bx, this line will be called least squares line if it makes=Σ(y-a-bx)2
A. maximum
B. constant
C. minimum
D. variable
14 For a least squares linear trend ŷ = a + bx, the Σ(y-ŷ)2 = 0 when
A. all the y-values lie on the line
B. all the y-values are positive
C. all the y-+values lie above the line
D. none of these
15 For a least squares linear trend=ŷ = a + bx, b is the
A. variable
B. intercept
C. trend
D. slope
16 The multiplicative time series model is:
A. Y = T + S + C + I
B. TSCI
C. Y = a + bX
D. Y = a + bX + cX2
17 The equation of the quadratic (parabolic) trend is
A. ŷ=a+bx
B. ŷ=a+by
C. ŷ=a+bΣx+cΣx2
D. ŷ=a+bx+cx2

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