Alexandra is investigating exercise habits among college students. Alexandra has asked students to indicate the number of times they work out each week. To investigate exercise, Alexandra is using a(n) scale.

To investigate exercise, Alexandra is using a ratio scale.

Explanation:

The ratio scale permits the comparison of differences in value when it comes to measuring data. In ratio scale, there is the option of true zero. There is also a specific order between the options. An example using ratio scale concerning the topic Alexandra is studying is:

How often do you work out every week?

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.