Define sampling and discuss the various probability samples.
What will be an ideal response?
? Sampling – a procedure in which a select subunit of the population is studied in order to analyze the entire population.
? Simple random samples – involves a population where each element has an equal probability of being selected.
? Stratified random samples – relies on knowledge of the distribution or proportion of the population characteristics to choose a sample that assures representativeness of these characteristics.
? Cluster samples – sampling of areas or sections in face-to-face interviews.
? Systematic samples – involves selecting every nth item in a list to be included in the sample.
You might also like to view...
Which of the following techniques can be used to estimate the time of death?
a. Rigor mortis b. Eye fluid potassium levels c. Livor mortis d. All of the above
Field notes are important because they create a permanent record of events
a. True b. False
______ refers to the legal duty of a police officer to make an arrest when responding to a domestic violence incident.
A. Mandatory arrest B. Intermittent arrest C. Responsive arrest D. Incident arrest
Many believe that marijuana is a _______________ drug
a. harmless b. troublesome c. gateway d. None of the above