Mathematics, 31.03.2021 04:10 careykrysta
At a middle school students in seventh grade want to conduct a survey on the most popular type of pet for students in the grade. The students want to make a generalization based on a sample
Which describes how the sample should be chosen?
A: It must be non-random
B: It must be representative
C: It must be selected by a student not in seventh grade
D: It must be selected to include students from each grade of the middle school.
Answers: 2
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Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
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