The numeral values for intervals

An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature (Farenheit), temperature (Celcius), pH, SAT score (200-800), credit score (300-850).

i think it's about 10 mins.

actually i think that's wrong, but i don't know how to delete this.

but who knows it might be right.