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Soaring Crane

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Per mil RAD = (abs. deviation)/mean X (1000) for parts per thousand.

Once you find the relative average deviation--this number in ppt--what is the significance of it? What is it supposed to tell you about the data? What does this number represent?? :uhh:

This is probably an elementary topic, but I can't seem to grasp a concrete definition and how it applies to experimental data.

Thanks.