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Free download in PDF Time Series Analysis Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
The best fitting trend is one which the sum of squares of residuals is:
[A]
Negative
[B]
Least
[C]
Zero
[D]
Maximum
(2)
In fitting of a straight line, the value of slope remains unchanged by change of:
[A]
Scale
[B]
Origin
[C]
Both origin and scale
[D]
None of them
(3)
Depression in business is:
[A]
Secular trend
[B]
Cyclical
[C]
Seasonal
[D]
Irregular
(4)
Semi-averages method is used for measurement of trend when:
[A]
Trend is linear
[B]
Observed data contains yearly values
[C]
The given time series contains odd number of values
[D]
None of them
(5)
Moving-averages:
[A]
Give the trend in a straight line
[B]
Measure the seasonal variations
[C]
Smooth-out the time series
[D]
None of them
Answer: Smooth-out the time series
(6)
The rise and fall of a time series over periods longer than one year is called:
[A]
Secular trend
[B]
Seasonal movements
[C]
Cyclical variations
[D]
Irregular variations
Answer: Cyclical variations
(7)
A time series has:
[A]
Two components
[B]
Three components
[C]
Four components
[D]
Five components
(8)
The multiplicative time series model is:
[A]
Y = T + S + C + I
[B]
Y = TSCI
[C]
Y = a + bX
[D]
Y = a + bX + cX2
(9)
The additive model of the time series is:
[A]
Y = T + S + C + I
[B]
Y = TSCI
[C]
Y = a + bX
[D]
Y = a + bX + cX2
Answer: Y = T + S + C + I
(10)
The difference between the actual value of the time series and the forecasted value is called:
[A]
Residual
[B]
Sum of variation
[C]
Sum of squares of residual
[D]
All of the above
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