Dell-EMC
E20-007 · Question #17
E20-007 Question #17: Real Exam Question with Answer & Explanation
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Question
On analyzing your time series data you suspect that the data represented as y1, y2, y3, ... , yn-1, yn may have a trend component that is quadratic in nature. Which pattern of data will indicate that the trend in the time series data is quadratic in nature?
Options
- A(y2-y1) = (y3-y2) = ....... = (yn-yn-1)
- B(y3-y2) - (y2-y1) = .........= (yn-yn-1)-(yn-1-yn-2)
- C((y2-y1) /y1 ) * 100% = .......((yn-yn-1)/yn-1) * 100%
- D(y4-y2) - (y3-y1) = .........= (yn-yn-2)-(yn-1-yn-3)
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