Only on the Kelvin scale.
No, it is nominal.
ratio
Ratio
ratio
According to the system devised by the psychologist Stanley Smith Stevens, it is the highest (fourth) level of measurement.
Examples of ratio level of measurement are age, weight, and amount of money.
Ratio level of measurement is the highest in statistics.
It's Ratio.
Ratio scale
No, it is nominal.
ratio
They are ratio scale.
Grade scores are an ordinal level of measurement. A ratio level of measurement would be weight of a person or how much money a person has.
Ratio
In general, the level of measurement is on an interval scale (temperature in deg C or F) because the zero point is arbitrary. However, if the zero is unique and non-arbitrary, then it is a ratio scale (temperature in Kelvin).
To determine the relative uncertainty in a measurement, you can calculate the ratio of the uncertainty in the measurement to the actual measurement itself. This ratio gives you a percentage that represents the level of uncertainty in the measurement.
Year of birth is interval level of measurement; age is ratio.