Which scale meets the criteria of all the other scales however there is an absolute zero?

Question

BlackTom AI · Accepted Answer

Begin by identifying what the question asks: which scale meets the criteria of all the other scales, yet has an absolute zero? This is a classic question about measurement scales in statistics.
Option 1: 'The first statement is true. The second statement is false.' This is a meta statement about statements and does not name any measurement scale. It does not address the properties of nominal, ordinal, interval, or ratio scales, so it cannot be the correct answer to a question about scales. It’s a distractor that attempts to test attention to wording rather than scale properties.
Option 2: 'Ratio' refers to the ratio scale. The ratio scale possesses the defining features of all four scale types: nominal (categories), ordinal (order), interval (equal intervals between values), and, uniquely, a true absolute zero that represents the absence of the quantity. Because it has true zero, meaningful multiplications and divisions are possible, and ratios are interpretable (e.g., 4 times as much). This means the ratio scale incorporates all prior scale characteristics and adds the absolute zero property, satisfying the criterion of 'all the other scales' plus an absolute zero.
Option 3: 'Ordinal' is characterized by order but does not guarantee equal intervals between points, and it lacks a true zero. It therefore does not meet the full set of criteria when compared to the ratio scale.
Option 4: 'Nominal' involves merely categorization without any inherent order or equal intervals, and it lacks a true zero. This makes it insufficient to meet the combined criteria of all other scales plus an absolute zero.
In summary, only the ratio scale simultaneously encapsulates the ordering concepts of the other scales (through its place in the hierarchy of measurement levels) and provides a true, meaningful zero point. The other options fail because they do not include both the ordering/equal-interval aspects and a legitimate absolute zero; the meta option in Item 1 is not a scale name and thus does not address the question's core requirement.

OC_DHYG465_202510FAII_1 Week 3 - Quiz #2

Which scale meets the criteria of all the other scales however there is an absolute zero?

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