The IQ question is broken in the sense that it doesn’t specify the standard deviation people should give their responses in. If someone answers “148” (or any other single number), you have no way of knowing what that actually means. On some tests it is 2 standard deviations above the mean, on others 3 standard deviations, etc.
Nearly all tests in your country may have set the numerical scale in an identical way (I don’t know), but there are other scales in use elsewhere.
The IQ question is broken in the sense that it doesn’t specify the standard deviation people should give their responses in. If someone answers “148” (or any other single number), you have no way of knowing what that actually means. On some tests it is 2 standard deviations above the mean, on others 3 standard deviations, etc.
Nearly all tests in your country may have set the numerical scale in an identical way (I don’t know), but there are other scales in use elsewhere.
Even considering this, it may well be that they don’t know the SD, especially for people like me who haven’t taken an IQ test in over 20 years.