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IQscoresontheWAIStestapproximateanormalcurvewithameanof100andastandarddeviationof15.WhatIQscoreisidentifiedwith theupper2percent,thatis,2percenttotheright(and98percenttotheleft)? thelower10percent? theupper60percent? themiddle95percent?[Remember,themiddle95percentstraddlesthelineperpendiculartothemean(orthe50thpercentile),withhalfof95percent,or47.5percent,abovethislineandtheremaining47.5percentbelowthisline.] themiddle99percent?

  1. IQscoresontheWAIStestapproximateanormalcurvewithameanof100andastandarddeviationof15.WhatIQscoreisidentifiedwith
    1. theupper2percent,thatis,2percenttotheright(and98percenttotheleft)?
    2. thelower10percent?
    3. theupper60percent?
    4. themiddle95percent?[Remember,themiddle95percentstraddlesthelineperpendiculartothemean(orthe50thpercentile),withhalfof95percent,or47.5percent,abovethislineandtheremaining47.5percentbelowthisline.]
    5. themiddle99percent?

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