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What is the type of variable and scale of data measurement for the students' satisfaction level for hostel service provided at a private college?
What is the type of variable and scale of data measurement for the temperatures (in Celsius) for 31 consecutive days in January?
What is the type of variable and scale of data measurement for the time recorded by the swimmers in a 100-metres competition?
What is the type of variable and scale of data measurement for the number of residents who have AB blood type?
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What is the type of variable and scale of data measurement for the weekly expenses amount spent (in RM) by the students?
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Study Notes
Types of Variables and Scales of Data Measurement
Identifying Variables and Scales
- Students' satisfaction level for hostel service: Qualitative (describes characteristics or attributes), Ordinal scale (ranked, but no equal intervals between levels, e.g., very satisfied, somewhat satisfied, not satisfied)
- Temperatures (in Celsius) for 31 consecutive days in January: Quantitative (describes numerical values), Interval scale (equal intervals between values, but no true zero point, e.g., 20°C, 25°C, 30°C)
- Time recorded by the swimmers in a 100-metres competition: Quantitative, Ratio scale (equal intervals between values, with a true zero point, e.g., 10.2 seconds, 10.5 seconds, 10.8 seconds)
- Number of residents who have AB blood type: Quantitative, Ratio scale (equal intervals between values, with a true zero point, e.g., 10, 20, 30)
- Weekly expenses amount spent (in RM) by the students: Quantitative, Ratio scale (equal intervals between values, with a true zero point, e.g., RM50, RM100, RM200)
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Description
Identify the type of variables and data measurement scales for various datasets, including students' satisfaction levels, temperature records, and more. Test your understanding of qualitative and quantitative variables, and nominal, ordinal, interval, and ratio scales.
