A person wants to count the number of children that play at a playground. He observes the playground for longer than one hour. Which sentences explain how randomization is not applied in this situation? Select each ​correct answer. The person observing can select a group to go to the park. There is no selection process. The person observing chose the time frame of longer than 1 hour. There is no control over who is in the study. The person is only observing children.

Accepted Solution

In a situation wherein the person wants to know how many children are playing in the ground by staying up for almost an hour or so, the correct answer for randomization are the following sentences: 
*There is no selection process of participants
*There is no control over who is in the study