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A and C for sure but thats all i can help with
C.
the other two are songs from bands.
Baseball is our national pastime
Consider the population of kids ages 6-10 who attend public schools. The sample can be obtained at their public school with the help of teachers.
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What is a representative sample?</h3>
A representative sample is a subset of people that aims to accurately reflect the nature of the larger group. For example, a classroom of 30 trainees with 15 males and 15 females could yield a representative sample that might contain six students: three males and three females. There are two methods available that researchers can use to create representative models. They are named probability sampling and non-probability sampling.
To learn more about representative samples visit the link
brainly.com/question/13718737
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