Question

Question 5
A data team is asked to research the effects of a new vitamin supplement on all people over age 55. Because it would be expensive and time-consuming to collect data from every single person over age 55, they research a part of the population that is representative of the whole. What does this scenario describe?



Choosing quantitative data



Using a population



Choosing a data type



Using a sample

Answer 1

Using a sample.

Explanation: They study a subset of the population (people over 55) meant to represent the whole group, which is the definition of a sample.