# Fitting Line To Data

#### What’s the Point?

In the real world, data doesn’t all line up, but it’s still very useful to use equations to work with that data.

#### TL;DW

• Even though real world data isn’t smooth. Spreadsheets can fit a trendline to scattered data and come up with an equation that can be used to better understand the data.
• For a line, the equation looks something like:

$\mathbf{y}\ =\ \mathbf{.7}\ \ast\ \mathbf{x}\ +\ \mathbf{1.5}\$

<p”>This is a straight line with a slope of .7 and a Y Intercept (vertical offset) of 1.5

### Where To:

Khan has lots of examples!