alculate the variance of 13, 25, and 16, using the sum of squares formula (also known as the shortcut formula) for mple variance, where x represents the data value and n is the number of values. Ex? (Ex)* variance n – 1 Step 1. Determine the sum of squares of the three values. Σ Step 2. Determine the square of the sum of the three values. (Ex)° = Step 3. Divide the result in Step 2 by n. (Ex)² Step 4. Subtłact the result in Step 3 from the result in Step 1. (Ex) Step 5. Divide the result in Step 4 by n – 1. Ex? - (Ex)? %3D n - 1

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