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gelphielvr:
Chris obtains a z-score of +1.5. The standard deviation in the sample is 12 and Chris’s raw score is 78, so what is the sample’s mean?
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breiadabrattzz:
yk the formula
gelphielvr:
@breiadabrattzz wrote:
yk the formula
breiadabrattzz:
@gelphielvr wrote:
@breiadabrattzz wrote:
yk the formula
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