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Is the formula for degrees of freedom always the same

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Reference no: EM132851605

1. Degrees of freedom are the denominator for the ________ formula.

2. Is the formula for degrees of freedom always the same?

3. How are the variance and the standard deviation related?

4. When we calculate the sum of squares, why do we square the differences before we add them up?

Reference no: EM132851605

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