My mind always confusion on to take which level of measurement for Likert-type scale,is it ordinal or interval data?

[Goparaju Anumolu]

I have read and refer from books internet that a Likert-type scale is ordinal data, but some were i have heard that this type of data is interval data. i am getting confused on my mind which level of measurement exactly is it?

[Leo Hamminger]

It is of the ordinal scale. If you seek the average of the data you have collected, you should therefore not use the arithmetic mean but the median instead.

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