Question: answer with explanation and don't make random guess 15) Determine if the type of sampling used In this case is coexistence, systematic , stratified, or

answer with explanation and don't make random guess

15) Determine if the type of sampling used In this case is coexistence, systematic , stratified, or a cluster . To carry out an cinterest survey of Puerto Ricans, a clist of all cpostal areas was compiled. The survey was sent to all citizens of 50 selected (postal areas

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