Exam Questions on Time Series Analysis | Time Series Analysis MCQs Quiz

Questions

1 The best fitting trend is one which the sum of squares of residuals is:

A Negative

B Least

C Zero

D Maximum

View Answer

Answer:Least

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

View Answer

Answer:Origin

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3 Depression in business is:

A Secular trend

B Cyclical

C Seasonal

D Irregular

View Answer

Answer:Cyclical

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

View Answer

Answer:Trend is linear

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

View Answer

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

View Answer

Answer:Cyclical variations

7 A time series has:

A Two components

B Three components

C Four components

D Five components

View Answer

Answer:Four 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

View Answer

Answer:Y = TSCI

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

View Answer

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

View Answer

Answer:Residual

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