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OpenStudy (hba):
Can anyone help me prove this?
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OpenStudy (raden_zaikaria):
yes... insyaAllah
OpenStudy (hba):
\[\huge \sum_{i=1}^{n}({X}_{i}-X \prime)^2=\sum_{i=1}^{n}{X_i}^2-n X \prime^2 \] X prime is actually x bar.|dw:1360770364042:dw|
OpenStudy (hba):
It's Insha-Allah * @raden_zaikaria
OpenStudy (hba):
Um,I know we can use this, |dw:1360770482862:dw|
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