Navigate to (or if you've already made a copy, go to your file)[https://docs.google.com/spreadsheets/d/1iAVKV8lji5YKQaSLTc9zMshmKMMFjaGU/copy](https://docs.google.com/spreadsheets/d/1iAVKV8lji5YKQaSLTc9zMshmKMMFjaGU/edit#gid=4287217)

Click "Reinitializing the Independent Variable"

Click in the cell next to the first data point.

We always reinitialize the first data point as either 0 or 1 depending on how we are describing the data. In this case, we are describing the data as years SINCE 1965, so we write 0 to indicate that 1965 is zero years SINCE 1965. Type "0 [[enter]]" 

Click on the cell below the one we just typed in.

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Creating a Column Chart with a Trendline in Google Sheets

Now that we have reinitialized the x variables, let's look at our new equation for the line of best fit.

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