331 احص تقنيات المعاينة

Topic	No. of Weeks	Contact Hours
Definition of the population and how we select the sample	2	8
Types of surveys	2	8
Sampling methods	2	8
Parameters estimation (Population mean - Population ratios - Population total)	3	12
Confidence intervals for population parameters	3	12
Selecting the sample size for estimating population mean and total number	3	12