What are the three fundamental considerations involved with the confidence interval approach to sample size determination?
Answer to relevant QuestionsWhen calculating sample size, how can a researcher decide on the level of accuracy to use? What about level of confidence? What about variability with a percentage? A researcher knows from experience the average costs of various data collection alternatives: Data Collection Method Cost/respondent Personal Interview..... $50 Telephone Interview..... $25 Mail Survey ........ $00 .50 ...Indicate what specific intentional and unintentional respondent errors are likely with each of the following surveys. a. The Centers for Disease Control sends out a mail questionnaire on attitudes and practices concerning ...What is an “exception” and what is typically done with each type of exception encountered? What does it mean when a researcher says that a hypothesis has been supported at the 95% confidence level?
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