• How is the alternate hypothesis related to the null hypothesis?
• Explain the difference between a one-tailed test and a two- tailed test.
• What does a Z score tell you?
• What does it mean if the Z score has a negative sign?
• Explain the eight characteristics of a normal distribution.
• Explain why converting raw scores to z scores is helpful in understanding data.
• Explain the concept of a sampling distribution.
• Identify three characteristics of the sampling distribution of the sample mean.