Correction on lab ES

Posted: September 26, 2011 by lucmehl in general announcements

The equation for variance (bottom of Problem 1) should read:

The exponent (2) was mistakenly inside the parenthesis on the lab handout.

You can simplify the equation for variance by completing the square… (A-B)^2 = A^2 – 2AB + B^2.

You will probably want to use excel because you need to calculate the variance for each voltage measurement!


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