Respuesta :
Answer:
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?
- I don't work out.
- Between 1 and 3 times.
- Between 3 and 5 times.
- Over five times.
Answer: Ratio scale
Explanation: Alexandra is investigating exercising habits using the ratio scale. The ratio scale is a type of scale used in variable measurement allows researchers to compare the intervals or differences. It is quantitative in nature and possesses a zero point or character of origin representing the total absence of the variable being measured. This means that there can be students who do not exercise at all. In simpler terms, ratio variables have all the properties of interval variables including a real absolute zero.