Which example is nominal categorical data?

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Multiple Choice

Which example is nominal categorical data?

Explanation:
Nominal categorical data are labels that name categories without any natural order or ranking. Blood type uses categories such as O, A, B, and AB, and there isn’t a meaningful way to say one type is higher or lower than another—it's just different categories. The other examples involve amounts or ordered groups: age in years is a numerical measure you can compare and compute differences with; temperature ranges form an ordered sequence from cooler to hotter; grades A, B, C also imply an order of performance. That combination of being just labels with no inherent order makes blood type the nominal example.

Nominal categorical data are labels that name categories without any natural order or ranking. Blood type uses categories such as O, A, B, and AB, and there isn’t a meaningful way to say one type is higher or lower than another—it's just different categories. The other examples involve amounts or ordered groups: age in years is a numerical measure you can compare and compute differences with; temperature ranges form an ordered sequence from cooler to hotter; grades A, B, C also imply an order of performance. That combination of being just labels with no inherent order makes blood type the nominal example.

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