CHAPTER 6
USE 2 DECIMALS TO REPORT X VALUES
USE 4 DECIMALS TO REPORT P VALUES
SHOW YOUR WORK
Given a set of normally distributed scores with = 20 and a = 6, what percentage of scores is…
24.5 or higher?
between 10.13 and 28.55?
20 or lower?
Between 22 and 25?
What z score(s) corresponds to…
the 40tth percentile?
the 65th percentile?
The 70th percentile?
The middle 50%?
The middle 60%?
