1) Pick one day next in week to see a movie, by roll a die.  a) Systematic Sampling b) Cluster Sampling c) Stratified Sampling d) Simple Random Sampling 2) Three sport clubs in Donghua University, Football, Basketball, and volleyball. Picking 5 students from each club to study their blood prusure. a) Systematic Sampling b) Cluster Sampling c) Stratified Sampling d) Simple Random Sampling 3) To study how unveristy students' love The Australian Open 2021. Picking 500 students from Adelaide University. a) Systematic Sampling b) Cluster Sampling c) Stratified Sampling d) Simple Random Sampling

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