Question: The root-mean-square (rms) value of a variable is obtained by calculating the average value of the square of that variable and then taking the square

The root-mean-square (rms) value of a variable is obtained by calculating the average value of the square of that variable and then taking the square root of the result. Use this procedure to determine the rms energy of a Fermi distribution. Express your result in terms of EF and compare it to the average energy. Why do Eav and Erms differ?

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