It is on the interval scale.
Occupation is nominal data. There is not an order to the category occupation, so that eliminates ordinal and interval.
nominal
Three basic levels of measurement are nominal, ordinal, and interval/interval-ratio.
Age is none of the items listed. Age is ratio data.
Telephone numbers are actually nominal data.
Occupation is nominal data. There is not an order to the category occupation, so that eliminates ordinal and interval.
interval
Nominal Scale < Ordinal< Interval < Ratio
interval
nominal
No. The interval level is more refined and so enables calculations which are not available at the nominal level.
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ordinal
Three basic levels of measurement are nominal, ordinal, and interval/interval-ratio.
A group, as a single entity, would be nominal.
Three basic levels of measurement are nominal, ordinal, and interval/interval-ratio.
The scale of measurement typically includes four levels: nominal, ordinal, interval, and ratio. Nominal scales categorize data without a specific order (e.g., gender or hair color). Ordinal scales rank data in a meaningful order but without consistent differences between ranks (e.g., satisfaction ratings). Interval scales have ordered categories with equal intervals between values but no true zero point (e.g., temperature in Celsius), while ratio scales possess all the properties of interval scales, along with a true zero point (e.g., weight or height).