Astudy of college students recruited participants by sending an email and asking them to take an online survey. is the sample a voluntary response sample? why or why not? no, the study sent the email to the entire population. no, the respondents had no choice in whether to respond to the email. yes, the respondents themselves decide whether to participate in the survey. yes, the study contacted only those students who wanted to be contacted.

Option 3 is right.

Step-by-step explanation:

Given facts are:

A study of college students recruited participants by sending an email and asking them to take an online survey.

WE have to find out Is the sample a voluntary response.

No, the study sent the email to the entire population. -- Wrong since only selected were sent.

No, the respondents had no choice in whether to respond to the email.--Wrong because no action can be taken if not replied

Yes, the respondents themselves decide whether to participate in the survey.--Right because when they respond the mail, they show their willingness voluntarily to participate in the survey.

Yes, the study contacted only those students who wanted to be contacted.--Wrong since  some may not reply at all.

2/3

step-by-step explanation: