Question

whar is filter question
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Answer 1

Answer:

in which class do you study

Answer 2

Answer:

Filter questions are questions (typically formatted as “yes or no”) meant to help respondents avoid answering questions that do not pertain to them. Respondents who answer “yes” to filter questions are then asked more detailed follow-up questions, whereas those who answer “no” are not questioned further on the topic.19-Dec-2018