Question: This is a short answer, give points/results. When processing observations that have missing values for certain features, one has the option of replacing missing values

This is a short answer, give points/results.

When processing observations that have missing values for certain features, one has the option of replacing missing values with the sample mean, , of the feature. Will this method affect the sample variance, , of the feature in any way? What value would the sample variance approach asymptotically?

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