PRC-2 · Chapter 8 · Question 26 of 60
If the variance of a dataset is mathematically calculated to be exactly zero, what does this imply about the dataset?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) All observations are completely identical with no dispersion.
Explanation
While it is extremely rare, variance can mathematically be zero if and only if there is absolutely no deviation from the mean, meaning all data points are identical.
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