DOUBT

[krishna kausik pamidi]

Why on subtracting interval scale values turn into ration scale values?

[Nitin Kumar Jha]

Hi,

First of all, it is not necessary that every variable with an interval scale of measurement can be converted into a ratio scale of measurement.

Whenever variables with the interval scale of measurement don't have absolute zero, we need to have absolute zero to convert it into the ratio scale of measurement and this can be done using subtraction only. By subtracting the same values of the variable, we can have the absolute zero in the new variable.

You can refer to the FAQ of week 1 to get a better idea of it.

Thanks and regards

Nitin Kumar Jha

Content support team

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