The z-scoring method used in the practice data file

Note: The z-scoring method used in the practice data file is covered in Lesson 19 during PSYC 354. You will use raw data for all homework exercises with no need to convert to z scores.

Green & Salkind: Lesson 33, Exercises 1, 3–4

The following helpful tips are numbered to correspond with the exercise number to which they refer (a dash indicates that no tips are needed):