CSSGB · Question #140
Countable observations, for example, number of defects.
The correct answer is C. Discrete Data. Discrete Data refers to countable, whole-number observations that can only take specific integer values - like the number of defects (you can have 3 defects, not 3.7). This is the defining characteristic: if you can count it, it's discrete. A (Sample Size) is wrong because sample
Question
Countable observations, for example, number of defects.
Options
- ASample Size
- BAttribute Data
- CDiscrete Data
- DVariable Data
How the community answered
(60 responses)- A2% (1)
- B5% (3)
- C92% (55)
- D2% (1)
Explanation
Discrete Data refers to countable, whole-number observations that can only take specific integer values - like the number of defects (you can have 3 defects, not 3.7). This is the defining characteristic: if you can count it, it's discrete.
- A (Sample Size) is wrong because sample size describes how many items you're measuring, not the type of data being collected.
- B (Attribute Data) is wrong because attribute data classifies items into categories (pass/fail, conforming/non-conforming) rather than counting occurrences - though the line can blur, "number of defects" is specifically discrete.
- D (Variable Data) is wrong because variable data is continuous and measured on a scale (temperature, weight, length) - it can take any value within a range, including decimals.
Memory tip: Think of discrete as distinct counts you can list on your fingers - defects, complaints, errors. If you need a ruler or scale to measure it, it's variable; if you need to count it, it's discrete.
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