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Question
Choose the correct alternative:
A time series is a set of data recorded
Options
Periodically
Weekly
Successive points of time
All the above
MCQ
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Solution
All the above
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Time Series Analysis
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RELATED QUESTIONS
What is the need for studying time series?
State the uses of time series
Mention the components of the time series
Write a brief note on seasonal variations
Define seasonal index
State the two normal equations used in fitting a straight line
Compute the average seasonal movement for the following series
| Year | Quarterly Production | |||
| I | II | III | IV | |
| 2002 | 3.5 | 3.8 | 3.7 | 3.5 |
| 2203 | 3.6 | 4.2 | 3. | 4.1 |
| 2004 | 3.4 | 3.9 | 37 | 4.2 |
| 2005 | 4.2 | 4.5 | 3 | 4.4 |
| 2006 | 3.9 | 4.4 | 4.2 | 4.6 |
The sales of a commodity in tones varied from January 2010 to December 2010 as follows:
| In Year 2010 | Sales (in tones) |
| Jan | 280 |
| Feb | 240 |
| Mar | 270 |
| Apr | 300 |
| May | 280 |
| Jun | 290 |
| Jul | 210 |
| Aug | 200 |
| Sep | 230 |
| Oct | 200 |
| Nov | 230 |
| Dec | 210 |
Fit a trend line by the method of semi-average
Choose the correct alternative:
Factors responsible for seasonal variations are
The sum of the series 3.6 + 4.7 + 5.8 + ....... upto (n – 2) terms
