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.
Algebra ->
Probability-and-statistics
-> 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.
Log On
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
: