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What is the equation of the trend line in the scatter plot?

Someone pls help I will pay if you get it right

What is the equation of the trend line in the scatter plot? Someone pls help I will-example-1
User Pacerier
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1 Answer

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Given:

The graph of a trend line.

To find:

The equation of the trend line.

Solution:

From the given graph it is clear that the trend line passes through the points (0,4) and (9,7). So, the equation of the trend line is:


y-y_1=(y_2-y_1)/(x_2-x_1)(x-x_1)


y-4=(7-4)/(9-0)(x-0)


y-4=(3)/(9)(x)


y=(1)/(3)x+4

Therefore, the equation of the trend line is
y=(1)/(3)x+4.

User Jamesbev
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