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is a educational Infographics - By .It helps students in grades 7 practice the following standards 7.SP.A.1.
1. 7.SP.A.1 : Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population. Understand that random sampling tends to produce representative samples and support valid inferences..
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