In the research, the variable of interest defined by the question is quantitative, because the number of hours the software is used is a quantity that can be measured on a natural numerical scale.
From the question, the computer software company conducted a telephone survey asking its customers how the software could be improved. In this case, the variable of interest defined by the question "Are you the most frequent user of our software in your household?" is quantitative.
Also, the variable of interest defined by the question "What is your age?" is qualitative, because ages can be measured from youngest to oldest.
Learn more about research on:
https://brainly.com/question/25257437