Answer:
d
Step-by-step explanation:
if you tried to do the d you would end up with this
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Answer:
Self selection sampling.
Step-by-step explanation:
A poll that does not attempt to generate a random sample, but instead invites people to volunteer to participate is called - self selection sampling.
Self-selection sampling is a sampling method where researchers allow the people or individuals, to choose to take part in research on their own accord.
Answer: Vertical
Step-by-step explanation:
brainly should let more people answer the question's
Step-by-step explanation:
