


How does interval data differ from nominal data? How does interval data differ from ordinal data?
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what is interval data
- How can researchers justify their decision to treat ordinal data as interval data in their analyses?
- How do you present interval data visually in reports and presentations?
- Explain how different chart types can highlight different aspects of interval data, such as distribution, central tendency, or relationships between variables.
- Why is the absence of a true zero point a key characteristic of interval data? How does the equal distance between values in interval data facilitate statistical analysis?
- How does the variability of interval data affect statistical analysis? What is the standard error of the mean for interval data?
- How does the distribution of interval data affect the choice of statistical tests?
- 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 are the assumptions of linear regression? How do you check the assumptions of linear regression?
- Why can't you calculate meaningful ratios with interval data? Give an example illustrating why ratios are not meaningful with interval data.
- Provide an example of ratio data that corresponds to one of the interval data examples you provided earlier, highlighting the difference in the zero point.
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