Deliverable Length: 2paragraphs = 300 words.
SAMPLE SIZE DETERMINATION
Determining sample-size is important step when planning a statistical study. It is also quite a difficult task since many variables must be considered.
MAIN DISCUSSION POST: Due by Saturday
In Yahoo! use the search term “Sample Size Determination.” Select a University or Government webpage that discusses the topic. Do not use Wikipedia, eHow or about.com or other resource that is not written or published by a University or the US Government.
- Paragraph 1: In simple terms explain what researchers must go through to select the right sample size for a study. (Be sure to cite and reference the website)
In Yahoo! use the search term “Sample Size Calculator.” Select two calculators you like best.
- Paragraph 2: Explain how the calculators work. Test the two calculators using a population, confidence level and confidence interval you select. Discuss the results. (Be sure to cite and reference the website)