Definition - Trend line is referred to as a line of the best fit, which lines that are used to represent the behavior of a set of data to determine if in a certain pattern. Thus, A trend line is an analytical tool used most often in conjunction with a scatter plot to see if there is a relationship between two variables.
The main purposes of a trend line are:
- Predicting unknown or future data points are:
- This graph is shown to temperatures for ten days. Also, we can be attempting to predict the temperature on the 11th day based on behalf of this graph, then we can estimate would be 70.5 degrees. It also mentions a graph below.
- Then, If a set of points exhibits a positive trend, Then Determine a negative trend or no trend at all. Looking at the red trend lines in the examples which are mentioned below with sets of data.
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