Time Series Analysis Exam Questions and Answers

Questions

1 A complete cycle consists of a period of:

A Prosperity and depression

B Prosperity and recovery

C Prosperity and recession

D Recession and recovery

View Answer

Answer:Prosperity and recession

2 Most frequency used mathematical model of a time series is:

A Additive model

B Mixed model

C Multiplicative model

D Regression model

View Answer

Answer:Multiplicative model

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3 A time series consists of:

A No mathematical model

B One mathematical model

C Two mathematical models

D Three mathematical models

View Answer

Answer:Three mathematical models

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

A X-intercept

B Slope

C Y-intercept

D None of them

View Answer

Answer:Y-intercept

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

A Y-intercept

B Slope

C X-intercept

D Trend

View Answer

Answer:Slope

6 Value of b in the trend line Y = a + bX is:

A Always negative

B Always positive

C Always zero

D Both negative and positive

View Answer

Answer:Both negative and positive

7 In semi averages method, we decide the data into:

A Two parts

B Two equal parts

C Three parts

D Difficult to tell

View Answer

Answer:Two equal parts

8 In fitting a straight line, the value of slope b remain unchanged with the change of:

A Scale

B Origin

C Both (a) and (b)

D Neither (a) and (b)

View Answer

Answer:Origin

9 Moving average method is used for measurement of trend when:

A Trend is linear

B Trend is non linear

C Trend is curvilinear

D None of them

View Answer

Answer:Trend is linear

10 When the trend is of exponential type, the moving averages are to be computed by using:

A Arithmetic mean

B Geometric mean

C Harmonic mean

D Weighted mean

View Answer

Answer:Geometric mean

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