From the given list, let's determine the given qualitative information.
Qualitative data can be said to be data that are represented without determining a value.
This type of data are uncountable.
It is data that can be observable in nature and they cannot be measured.
From the given list, the qualitative data is blue sky.
Other information given are that of quantitative data because they are measured values.
Therefore, the qualitative information is blue sky.
ANSWER:
D. Blue sky