2. • ASSUMPTIONS
• TYPES
• METHODS
• STEPS IN THE SELECTION OF SAMPLE
• TESTING RELIABILITY

3.  Homogeneity amidst complexity.
 Representative sample.
 Absolute accuracy not essential.

4. 1. Random Sampling.
2. Tippets Numbers.
3. Selection from sequential list.
4. Grid System.
5. Purposive Selection.
6. Stratified Sampling.
7. Quota Sampling.
8. Multi-Stage Sampling.
9. Convenient Sampling.
10. Self-Selected Sample.

5.  Defining Universe.
 Sampling Unit.
 Source List.
 Size of Sample.
 Problem of representative sample.

6.  By drawing parallel sample.
 Comparing sample with universe.
 By drawing sub sample.