document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #642174 by rothauserc(4718)\"\" \"About 
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False
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\n" ); document.write( "if all data points (observations) are equal to the mean, then the standard deviation is 0.
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\n" ); document.write( "Note that the standard deviation squared is equal to the variance
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