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**Error bars and slope error ??**

**1. Homework Statement**

I have to construct a graph with three lines. The middle line is 'best fit', one line is 'max slope' the other 'min slope', and error bars need to be drawn. The error for the Y axis is too small to draw so there is only an error bar for X axis. With this how do you create the min and max lines? I thought you had to draw the lines based on the Y error bars (i.e. tail of lowest bar to tip of highest type thing).

Also, I need to calculate slope error using these lines but not being able to draw the lines I'm having trouble.

Any ideas?

**2. Homework Equations**

**3. The Attempt at a Solution**