WHY TAKE A SAMPLE? REASON FOR SAMPLING PRACTICAL CONSIDERATION CANNOT ANALYZE HUGE AMOUNT OF DATA GENERATED BY A CENSUS. REASON FOR SAMPLING POSSIBLE TO DRAW VALID INFERENCES…

Slide 1PARENTS AS HIV EDUCATORS: DELAY OF FIRST INTERCOURSE FOR BOTH SONS AND DAUGHTERS Beatrice J. Krauss, Ph.D., and The Parent/Preadolescent Training for HIV Prevention…

1. ConnectWhat different groups are therewithin ISVA List as many as youcan think of 2. Learning Objectives Define 4 sampling techniques Practice 3 of these using Skittles…

Linköping University Medical Dissertations No. 1049 Lactobacillus iners and the normal vaginal flora Tell Jakobsson MD Clinical Microbiology Department of Clinical and…

Slide 1 Probability & Standard Error of the Mean Slide 2 Definition Review Population: all possible cases Parameters describe the population Sample: subset of cases drawn…

Population and sample Population: are complete sets of people or objects or events that posses some common characteristic of interest to the researcher. Target population:…

Sampling Methods Sampling Methods It is important that the sample selected be representative of the population from which it is taken so that inferences about the population…