Question

Why can't variance be negative?

Answer 1

✴OLA!!✴

⤵⤵Answer⤵⤵

Because the squared deviations are all positive numbers or zeroes, their smallest possible mean is zero. It can't be negative. This average of the squared deviations is in fact variance. Therefore variance can't be negative.✔✔

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Answer 2

**REASON:-
*Because the squarred deviations are all positive numbers or zeroes, their smallest possible mean is zero. It can't be negative. This average of the squarred deviations is in fact variance...and hence, variance can't be negative.....



$hope \: it \: helps....$