Is IQ A Qualitative Variable?

Is IQ A Qualitative Variable? Variables, whose values are interval-scaled and metrical, are called quantitative data. Typical examples are body weight, income or IQ score. Are IQ scores discrete or continuous? IQ test scores don’t increment in decimals, but in whole numbers (e.g., 138, 140, 150 etc.). In other words, IQ tests only provide discrete