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1 mark

Which of the following methods is used to analyze the simple trend of time series data?

  1. A
    Moving average method
  2. B
    Method of least squares
  3. C
    Only 1
  4. D
    Both 1 and 2

Solution & Step-by-step Explanation

Analyzing a secular trend in time series data can be done using several mathematical and graphical techniques:Moving Average Method: Smooths out short-term fluctuations to highlight the long-term trend.Method of Least Squares: A mathematical technique to find the line of best fit for the data points.Semi-Averages Method: Divides the data into two parts and averages them to find a trend line.Graphical/Freehand Method: Drawing a smooth curve through the plotted points.Since both (1) and (2) are standard methods, the correct choice is "Both 1 and 2".

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Which of the following methods is used to analyze the simple trend of time series data?
A
Moving average method
B
Method of least squares
C
Only 1
D
Both 1 and 2

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