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Mathematics 8 Online
OpenStudy (anonymous):

The director of a children's ballet center is conducting surveys to get feedback about the classes. There are three types of classes, each for a particular age range: 3 through 5 , 6 through 8 , and 9 through twelve . What term can we use to describe all students in classes for 6 through 8 year olds? Answer experimental unit population sample subgroup

OpenStudy (anonymous):

subgroup

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