Mathematics, 25.05.2021 05:20 izabelllreyes

A principal orders t-shirts and wants to check some of them to make sure they were printed properly, she randomly selects 7 of the 10 boxes and checks 20 in one box and 40 in others. What type of sampling is this?

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A principal orders t-shirts and wants to check some of them to make sure they were printed properly,...