2. | Classify each of the following as to the level of measurement (nominal, ordinal, interval, or ratio). | |||||
(a) | the year of the last presidential election | |||||
(b) | your T-shirt size (S, M, L, XL) | |||||
(c) | the length of time it takes you to travel to the FHSU campus | |||||
(d) | favorite M & M color |
(a)
the year of the last presidential election:
interval
Explanation: The distance between attributes ( here: number of years) has meaning.
(b)
your T -shirt sizes (S, M L, XL):
ordinal
Explanation: your T -shirt sizes (S, M L, XL):are inherently orderable categorical data
(c)
the length of time it takes you to travel to the FHSU campus
ratio
Explanation: The length of time can have in addition to equal intervals a value of zero as well.
(d)
favorite M & M color
nominal
Explanation: Attributes (here colors) are only named.
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