Mean, Standard Deviation & Variance (IB Maths SL)

[@jasperphelan]

I loved that half-hearted 'good luck' at the end like you know i'm studying for my exam at the last moment and have no hope of getting a passing grade.

[@Alex74581]

xd I have my exam in a week and im terrible I know nothing

[@kilian.haiyue]

@@Alex74581 I have exam tommorow so I am like fucked

[@wifine1951]

should've explained how to solve dviation and varience before jumping onto what they are as well.

[@anindithajeyakumar]

thank you, really.

[@Alex74581]

Thank u very much