Question

On IQ distribution (normal) , with a mean of 100 and a standard deviation of 15 , find the actual IQs (raw scores)

for individuals with the following z scores.

1) .60

2) 2.60

3) -1.80

4) -.20

5) 2.80

Answer 1

u = 100 O = 15 1 = " + oz= 100+ 152 11 = 100+ 15 * 0.6 = 109 12 = 100 + 15 * 2.6 = 139 13 = 100+ 15* (-1.8) = 73 14 100 + 15*(-0.2) = 97 25 100 + 15 * 2.8 = 142 Hope this was helpful. Please leave back any comment.