Question: 2. Why must (x - mean) always be equal to zero? You need to provide a mathematical explanation based upon the definition of the mean.

2. Why must (x - mean) always be equal to zero? You need to provide a mathematical explanation based upon the definition of the mean. This is an extremely important concept. The mean represents more than just adding up all values in a data set and then dividing by the total number of values in the data set. Your understanding of the mean has to rise to a new level. If you cannot answer this part, you don't understand the definition for the mean

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