Windows is a computer software product made by Microsoft Corporation. In designing a new version of Windows, Microsoft telephoned thousands of users of an earlier version of Windows and asked them how the product could be improved. Assume customers were asked the following questions:
a. Are you the most frequent user of Windows in your household?
b. What is your age?
c. Are the tutorial instructions that accompany Windows helpful?
d. When using a printer with Windows, do you most frequently use a laser printer or another type of printer?
e. If the speed of Windows could be changed, which one of the following would you prefer: slower, unchanged, or faster?
f. How many people in your household have used Windows at least once?
Each of these questions defines a variable of interest to the company. Classify the data generated for each variable as quantitative or qualitative. Justify your classification.