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OpenStudy (rational):
tricky stats question, help
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OpenStudy (rational):
OpenStudy (rational):
please help !
OpenStudy (rational):
@amistre64
OpenStudy (amistre64):
what does a standard deviation tell us?
OpenStudy (amistre64):
\[z=\frac{x-\mu}{\sigma}\] \[z\sigma=x-\mu\] \[0=x-\mu~:~for~all~x\]
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OpenStudy (rational):
that means all observations lie at center ?
OpenStudy (rational):
|dw:1395675601588:dw|
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