Another Psychology Statistics Question! Help?

For normaly distributed scores, what proportion of scores fall:
Between z= -1.39 and z=+1.39?

Outside the limits Z=-1.48 and Z=+1.48?

Please explain how you got your answers! Thanks for your help. I’m struggling! X_X



1 Comment

  1. M3 said,

    Wrote on October 8, 2010 @ 11:19 am

    there is nothing to explain, really.
    you have to look up a z-table to find the area berween the 2 z-scores
    since different x-tables give the “shaded” area differently,
    you will have to figure out thr proportion accordingly

    ans:
    ——
    a) 83.55%
    b) 93.06%

Comment RSS · TrackBack URI


Related Posts


Fix Bad Child Behavior