" its our prime duty to comply with social rules " justify the statement

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Which group had an easier time adapting to american life because of similar backgrounds?

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