Under what circumstances should a t distribution be used rather than the normal distribution to look up areas or probabilities associated with distances from the mean?
Answer to relevant QuestionsConsider the following questions about Confidence Intervals (CI). A researcher tests Emotional Intelligence (EI) for a random sample of children selected from a population of all students who are enrolled in a school for ...What is a Confidence Interval, and what information is required to set up a confidence interval? What is statistical power? What information is needed to decide what sample size is required to obtain some desired level of power (such as 80%). What factors influence the magnitude of risk of Type II error? What SPSS procedures can be used for data screening of quantitative variables?
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