3. a television news program asks its viewers...
3. a television news program asks its viewers to call in to give their opinions on an upcoming ballot question. what type of sampling method does this represent?\n a. stratified sampling\n b. cluster sampling\n c. systematic sampling\n d. convenience sampling\n e. self - selected sampling\n4. a researcher asks 47 people whether they have visited alabama. identify the method of data collection.\n a. sample survey\n b. experiment\n c. observational study
Answer
# Brief Explanations:
For question 3, when viewers call in on their own - initiative to give opinions, it's self - selected sampling as they choose to participate. For question 4, asking people a question to gather information is a sample survey as it involves collecting data by asking individuals.
# Answer:
3. e. Self - selected sampling
4. a. Sample survey