Sampling
by Nor Dina
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