SOLUTION: If the variance from a data set is zero, then all observations must be zero in this data set. TRUE OR FALSE? Please explain.

SOLUTION: If the variance from a data set is zero, then all observations must be zero in this data set. TRUE OR FALSE? Please explain.

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Question 1026888: If the variance from a data set is zero, then all observations must be zero in this data set. TRUE OR FALSE? Please explain.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
False
:
if all data points (observations) are equal to the mean, then the standard deviation is 0.
:
Note that the standard deviation squared is equal to the variance
:

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