Question

The trend values in freehand curve method are obtained by:

(a) Equation of straight line (b) Graph

(c) Second degree parabola (d) All of the above​

Answer 1

Answer:

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Step-by-step explanation:

Freehand Curve Method: In this method the data are plotted on a graph measuring the time units (years, months, etc.) along the x-axis and the values of the time series variable along the y-axis. A trend line or curve is drawn through the graph in such a way that it shows the general tendency of the values.

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Answer 2

From the given question the correct answer is:

(b) Graph

The trend values in freehand curve method are obtained by (b) Graph

Freehand Curve Method : The term freehand is used to any non-mathematical curve in statistical analysis even if it is drawn with the aid of drafting instruments. This is the simplest method of studying trend of a time series.