S srt927 New member Joined Nov 9, 2006 Messages 16 Nov 9, 2006 #1 Determine the 70th percentile for IQ scores (mu=100, strd deviation=15) find the score such that 70% of the scores fall at or below it? What formulas do I need
Determine the 70th percentile for IQ scores (mu=100, strd deviation=15) find the score such that 70% of the scores fall at or below it? What formulas do I need
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Nov 9, 2006 #2 \(\displaystyle \L\\z=\frac{x-{\mu}}{\sigma}\)
