- #1

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## Homework Statement

Trial 1: 1.05 ± 0.05 m.

Trial 2: 2.0 m.

Trial 3: 1.5 m.

Trial 4: 1.05 ± 0.05 m.

## Homework Equations

Not sure

## The Attempt at a Solution

So to add them up, I just add the "base" measurements" and then tack on the ± and stick in the "uncertainties" like so:

1.05 + 2.0 + 1.5 + 1.05 = 5.6 m.

±

0.05 + 0.05 = 0.1 m.

So the final sum: 5.6 ± 0.1 m.

Now to take the average, I need to the quotient of 5.6±0.1 / 4 but not sure how to do this. The instructions say to divide the averages of the two numbers you are trying to divide (5.6 / 4) and them multiply that quotient by (1.00±δ5.6/5.6 = δ4/4) but 4 doesn't have an average deviation because it's just a number.

So how do I do this?