Grade 7 - Ratios and Proportional Relationships
Standard 7.RP.1.1 - Practice identifying representative, random, and biased samples.
Included Skills: Stats
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.