



Are scores on a standardized test interval data?
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what is interval data
- Are Likert scale responses interval data? (Discuss) Can Likert scale responses sometimes be treated as interval data?
- What is a normal distribution and why is it important for some analyses of interval data? How do you test for normality in interval data?
- What is a Type I error?
- What are some common post-hoc tests?
- How do you report the results of statistical analyses on interval data? What information should be included when reporting results?
- Explain how the increasing availability of large and complex datasets is creating new opportunities and challenges for the analysis of interval data.
- Can you have more than two factors in ANOVA? What are repeated measures ANOVA and when are they used?
- Can you perform multiple regression with several interval predictors? How do you interpret the coefficients in multiple regression?
- Consider a dataset of customer satisfaction scores on a 1-7 scale. Is this interval data?
- What software packages are commonly used for analyzing interval data?
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