... A subset of the population Why sampling? ... random sampling Systematic sampling Stratified sampling Multi-stage sampling Cluster sampling Simple ...
More accuracy i.e. Can Do A Better Job of Data Collection ... The population to be studied/ to which the investigator wants to generalize his results ...
Dr. Moataza Mahmoud Abdel Wahab Lecturer of Biostatistics High Institute of Public Health University of Alexandria moatazamahmoud@yahoo.com Important statistical ...
In the Internet Era Introduction to Biostatistics Data Collection Descriptive Statistics Thomas Songer, PhD with acknowledgment to several s provided by