Module-8

 

1. Random Sampling Methods:

   1. Sampling and Census,

   2. Sampling and Non-sampling errors,

   3. Simple random sampling,

   4. Systematic sampling,

   5. Stratified sampling.

2. Sampling distributions:

   1. Parameter and statistic;

   2. Standard error,

   3. sampling distributions –

      1. normal,

      2. t,

      3. F,

      4. Chi square distributions;

3. Central limit theorem.

4. Estimates,

   1. Desirable properties of estimate –

      1. Unbiasedness,

      2. consistency,

      3. sufficiency and

      4. efficiency.

5. Testing of hypothesis (basic concepts only) -

   1. Simple and composite hypotheses,

   2. null and alternate hypotheses,

   3. Type I error,

   4. Type II error,

   5. Level of significance,

   6. Power of a test.