What is the difference between extreme and erroneous data

in terms of ict

extreme data are the values at the upper or lower limits of the expectation that are accepted. For example,
"A system has validation to ensure that only integers between 1 and 10 are entered as an input."
The extreme test data for this would be: 1,10 because they are at the boundaries of the accepted range.

erroneous data are the values that fall outside of what is accepted and is therefore rejected by the system.

examples of erroneous data can be 11, 12, 13 etc.

erroneous data can also be things like "fourteen" or 5.7 since we are looking for integers.