



Why are ratios of interval data points not meaningful reflections of proportional differences?
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what is interval data
- Explain the importance of data privacy and security when working with interval data from human subjects.
- Discuss the importance of data documentation and metadata when working with interval datasets.
- How are semantic differential scales analyzed? What are visual analog scales?
- How can you use interval data in surveys and questionnaires? How do you design questions that yield interval data?
- Consider a dataset of years in which historical events occurred. Is this interval data? Consider a dataset of political affiliations. Is this interval data?
- What are decomposition techniques for time series data?
- What are the assumptions of Pearson's correlation?
- Can you calculate the variance of interval data? Can you perform t-tests on interval data?
- Does interval data have a true zero point?
- 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?
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