Slide 113-1 Slide 2 13-2 McGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc.,All Rights Reserved. Part Three SOURCES AND COLLECTION OF DATA Slide 3 13-3 Chapter Thirteen…
1.13-12. Part ThreeSOURCES ANDCOLLECTION OF DATA 13-2McGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc.,All Rights Reserved. 3. Chapter Thirteen OBSERVATIONAL STUDIES13-3…