Time Series Analysis Objective Questions and Answers | Time Series Analysis MCQs Quiz

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Questions
1 The second degree parabola is fitted to the time series when the variations are:
A Linear
B Nonlinear
C Random
D Downward

Answer:Nonlinear
2 In fitting a second degree parabola, the value of c is not affected with the change of :
A Scale
B Origin
C Both (a) and (b)
D Neither (a) and (b)

Answer:Origin
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3 For odd number of year, formula to code the values of X by taking origin at centre is:
A X = year – average of years
B X = year – first year
C X = year – last year
D X = year – ½ average of years

Answer:X = year – average of years
4 For even number of years when origin is in the centre and the unit of X being one year, then X can be coded as:
A X = (year – average of years)/2
B X = year – average of years
C X = year – 0.5 average of years
D X = average of years – year

Answer:X = year – average of years
5 For even number of years when origin is in the centre and the unit of X being half year, then X can be coded as:
A X = year – average of years
B X = 2(year – average of years)
C X = (year – average year)/2
D X = year – ½ average of years

Answer:X = 2(year – average of years)
6 In semi averages method, if the number of values is odd then we drop:
A First value
B Last value
C Middle value
D Middle two values

Answer:Middle value
7 The trend values in freehand curve method are obtained by:
A Equation of straight line
B Graph
C Second degree parabola
D All of the above

Answer:Graph
8 ∑X = ∑X3 = 0, if origin is:
A At the end of time period
B Any where
C At the middle of time period
D At the beginning of time period

Answer:At the middle of time period
9 Tests of hypotheses (t-test, f-test) incase of heteroscedasticity disturbance are
A Still valid
B Consistent
C No longer valid
D Unbiased

Answer:No longer valid
10 While performing correlation, we draw scatter plot to check assumptions of
A Linearity
B Multicollinearity
C Unbiasness
D Homoscedasticity

Answer:Linearity
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