Find two consecutive whole numbers that 18 lies between

if they are even consecutive then it is 16 and 20

if they are odd the it is 17 and 19

C) Qualitative

The response isn't a numeric value, but rather a name instead. So that's why we have qualitative data here. Specifically, it is nomimal as it deals with names or labels. The data is not ordinal as we cannot sort the labels.