Which of the following can be a negative number? A) the sum of squared deviations (SS) B) the mean C) the standard deviation (s) D) the variance (s²)

Question

Quizplus · Accepted Answer

The mean of a data set can be negative if the sum of the values in the data set is negative. The sum of squared deviations, standard deviation, and variance are always non-negative because they involve squaring numbers, which eliminates any negative signs.

Which of the Following Can Be a Negative Number