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Questions and Answers
What is the main characteristic that distinguishes ratio data from interval data?
What is the main characteristic that distinguishes ratio data from interval data?
- Order and fixed interval between data points
- Meaningful (absolute) zero (correct)
- Measures of distribution spread
- Measures of central tendency
Which of the following is NOT a valid analysis that can be conducted on ratio data?
Which of the following is NOT a valid analysis that can be conducted on ratio data?
- Determining categorical groupings (correct)
- Calculating mean, median, and mode
- Correlations or regressions
- Calculating variance or standard deviation
Why is it rare to collect ratio-level data in the assessment of student learning?
Why is it rare to collect ratio-level data in the assessment of student learning?
- Because student learning outcomes are usually qualitative in nature (correct)
- Because students are not good at providing accurate data
- Because ratio data requires complex statistical analysis
- Because ratio data is not relevant to student assessment
Which of the following is an example of ratio data?
Which of the following is an example of ratio data?
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What types of analyses can be performed on ratio data according to the text?
What types of analyses can be performed on ratio data according to the text?
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