Statistics: Ch 3 Bivariate Data (6 of 25) What is Linear Regression (Correlation)?

We will learn that if there is a linear relationship between the 2 data sets then there is a linear correlation. One way to see if there is a linear correlation is by plotting the data in a scatter diagram.

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[dujeisisjd]

In differential equations, the solution is a function of some variable and not a value.
But, why do we need to add complimentary function and particular integral to get our solution.
l know the method to solve it, but I can't understand the concept / reason.