Computation of z-scores and standardizedscores
You are a school psychologist and havebeen asked to administer a verbal intelligence test to a localsenior high school English class to assess writing preparedness ofthe class. You have been given the mean (ĂŽÂĽ = 70) and populationstandard deviation (ĂŹĆ’ = 8) for the raw scores from this test. Basedon the testing manual, you know that the developers of thisassessment generate a standardized score using a predetermined meanof 100 and standard deviation of 25. Answer the following questionsabout the scores below.
- Annie’s raw exam score is 80. What is Annie’sz-score?_________________
- Ryan’s raw score is 66. What is Ryan’sz-score?_________________
- Casey’s raw score is 85. What is Casey’sstandardized exam score?_________________
- Kaleigh’s standardized exam score is 95. What is Kaleigh’sraw exam score?_________________
- Bailey’s z-score is 1.5. What is Bailey’sstandardized score?________________