Seudónimo
Seudónimo
04-08-2016
Mathematics
contestada
any person help me please
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Edufirst
Edufirst
17-08-2016
The classes are the intervals of the data: [30-34], [35-39], [40-49].
The 9th class is [70-74].
The lower limit of the 9th class is 70.
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