Sampling

1. What is sample and sampling

2. Importance of sampling

3. Finite and infinite sampling

4. Factor that affect sampling activity

4.1. Purpose of the inspection

4.2. Nature of the product

4.3. Nature of the test method

4.4. Nature of the population being investigate

4.5. Rules and regulation

4.6. Availability of analysis

5. Sampling procedure

5.1. Heterogeneous vs Homogeneous

5.2. manual vs continuos

5.3. Probability vs non probability

6. Probability sampling

6.1. Simple random sampling

6.2. Systematic sampling

6.3. Stratified sampling

6.4. Cluster sampling

6.5. Composite sampling

7. Non probabiliy sampling

7.1. Judgement sampling

7.2. Simple sampling

7.3. Restricted sampling

7.4. Haphazard sampling

7.5. Quota sampling

8. Problems in sampling

8.1. Bias

8.2. Identification

8.3. Storage

9. Preparation of sample

9.1. General size reduction

9.2. Grinding

9.3. Enzymatic inactivation

9.4. Lipid protection

9.5. Microbial growth and contamination

10. Types of sampling

10.1. Single

10.2. Double

10.3. Multiple

11. Sampling defect

11.1. major

11.2. minor

11.3. critical