Question

the following appear on a physicians intake form. identify the level of measurement of the data.
(a) temperature
(c) happiness level (scale of 0 to 10)
(b) time since last visit
(d) marital status
(a) what is the level of measurement for \temperature\?
interval
ordinal
ratio
nominal

Explanation:

Temperature is measured on an interval scale as it has a meaningful order and equal intervals between values, but zero is an arbitrary point (e.g., 0°C does not mean the absence of temperature).

Answer:

A. Interval