ONE MATH QUESTION I HAVE 7 min to answer help D:

Students answer a survey question on a bulletin board by sending their responses to a given e-mail address. Which type of sampling method is being used?
(Points : 3)
convenience sampling

voluntary response sampling

simple random sampling

stratified random sampling

Question

ONE MATH QUESTION I HAVE 7 min to answer help D:

Students answer a survey question on a bulletin board by sending their responses to a given e-mail address. Which type of sampling method is being used?
(Points : 3)
       convenience sampling

       voluntary response sampling

       simple random sampling

       stratified random sampling

anonymous · Answer

Vouluntary

anonymous · Answer

that's what i was thinking haha :) but THANK YOU