5 Questions
What is the main characteristic that distinguishes ratio data from interval data?
Meaningful (absolute) zero
Which of the following is NOT a valid analysis that can be conducted on ratio data?
Determining categorical groupings
Why is it rare to collect ratio-level data in the assessment of student learning?
Because student learning outcomes are usually qualitative in nature
Which of the following is an example of ratio data?
Weight of a student in kilograms
What types of analyses can be performed on ratio data according to the text?
Measures of relationship and mean comparisons
Learn about ratio data, a type of data that includes an order, fixed interval, and a meaningful absolute zero point. Explore the characteristics of ratio data and how it can be analyzed using various statistical measures like mean, median, mode, variance, and standard deviation.
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