Interview Questions and Answers on Time Series Analysis

Questions

1 An orderly set of data arranged in accordance with their time of occurrence is called:

A Arithmetic series

B Harmonic series

C Geometric seriess

D Time series

View Answer

Answer:Time series

2 A time series consists of:

A Short-term variations

B Long-term variations

C Irregular variations

D All of the above

View Answer

Answer:All of the above

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3 Secular trend can be measured by:

A Two methods

B Three methods

C Four methods

D Five methods

View Answer

Answer:Four methods

4 The secular trend is measured by the method of semi-averages when:

A Time series based on yearly values

B Trend is linear

C Time series consists of even number of values

D None of them

View Answer

Answer:Trend is linear

5 Increase in the number of patients in the hospital due to heat stroke is:

A Secular trend

B Irregular variation

C Seasonal variation

D Cyclical variation

View Answer

Answer:Seasonal variation

6 The systematic components of time series which follow regular pattern of variations are called:

A Signal

B Noise

C Additive modeln

D Multiplicative model

View Answer

Answer:Signal

7 The unsystematic sequence which follows irregular pattern of variations is called:

A Noise

B Signal

C Linear

D Non-linear

View Answer

Answer:Noise

8 In time series seasonal variations can occur within a period of:

A Four years

B Three years

C One year

D Nine years

View Answer

Answer:One year

9 Wheat crops badly damaged on account of rains is:

A Cyclical movement

B Random movement

C Secular trend

D Seasonal movement

View Answer

Answer: Random movement

10 The method of moving average is used to find the:

A Secular trend

B Seasonal variation

C Cyclical variation

D Irregular variation

View Answer

Answer:Secular trend

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