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Census or Survey?



                   • Target Population
                      – The population to which we want to generalize our
                         findings.



                                                                           Target    ?
                                                                           Population




                                              Female group

                                     Use Census (or) Survey

                    Census: Gathering information about every individual
                           in a population
                    Survey: Selection of a small subset of a population                33













                    Advantages of survey ?





                  • Less expensive

                  • Less time-consuming

                  • More accurate
                  • Some samples can lead to statistical inference about
                    the entire population


                    that would be prohibitively expensive to study.





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