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Mathematics, 20.08.2019 23:30 tylerkrobinson7853
Anational survey of middle-school students asks which subject is most challenging. which of these samples is a representative sample.
a) 372 sixth-graders in a certain town
b) 972 seventh-graders in a certain country
c) 619 eight-graders in different states
d) 400 students from various states, representing different grades, 6-8
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Anational survey of middle-school students asks which subject is most challenging. which of these sa...
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