Z = (score-mean)/SD
T = 50 + 10Z
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score. Multiply by 100 to get percentage.
3. Fill in the blanks with the appropriate raw scores, z-scores, T-scores, and percentile ranks. Note: the Mean = 50, SD = 5.
Raw z T %ile
35
1.2
35
16
1 answer