Question: What do inferential statistics allow you to infer?
Question: What is your percentile rank if you got 115 on the IQ test (a mean of 100, a standard deviation of 15)?
Question: What are linking (lurking) variables? Outline a case where a linking (lurking) variable could cause a problem.
Question: If r = 0.875, what is the coefficient of determination?
Question: A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. Find the standard (z) score for a sample value of 40.
Question: Describe and give examples of research questions for which external validity is a primary concern. Describe and give examples of research questions in which internal validity is a primary concern.
Question: What do inferential statistics allow you to infer?