Which level of measurement is exemplified by the following data?"Temperature measurements in degrees Celsius: 20°C, 25°C, 30°C, 35°C"

The level of measurement exemplified by the data "Temperature measurements in degrees Celsius: 20°C, 25°C, 30°C, 35°C" is the Interval level of measurement.

Here's why:

1. Nominal level: This is the most basic level of measurement where data is categorized without any order or priority. This is not applicable here as the temperature measurements have an order (20°C is less than 25°C and so on).

2. Ordinal level: This level of measurement involves data that can be ranked (ordered). While the temperature measurements can be ranked, they also have consistent intervals between them, which means a higher level of measurement is applicable.

3. Interval level: This level of measurement involves data that can be ordered, and have consistent intervals between them. This is the case with the temperature measurements (the difference between 20°C and 25°C is the same as between 30°C and 35°C). However, there is no true zero point (0°C does not mean there is no temperature).

4. Ratio level: This is the highest level of measurement and is like the interval level, with the addition of a true zero point. This is not applicable here as 0°C does not mean there is no temperature.

So, the temperature measurements in degrees Celsius are an example of the Interval level of measurement.