Draw Inferences From Random Sample Math Games

In this series of games, your students will learn to use data from a random sample to draw inferences about a population with an unknown characteristic of interest. The Draw Inferences From Random Sample learning objective — based on CCSS and state standards — delivers improved student engagement and academic performance in your classroom, as demonstrated by research. This learning objective directly references 7.SP.A.2 as written in the common core national math standards.

Scroll down for a preview of this learning objective’s games and the concepts.

Concepts Covered

Statistical questions anticipate and generate data that varies. Data is the information gathered from statistical questions. At random refers to all outcomes having equal chances of being picked. Random sampling is a fair way to select a subset (a sample) of the set of interest (the population). Random sampling allows results from a sample to be generalized to a much larger body of data. A statistic computed from a random sample, such as the mean of the sample, can be used as an estimate of that same characteristic of the population from which the sample was selected.

Conclusions drawn from random samples generalize beyond the sample to the population from which the sample was selected. The variability in samples can be studied by means of simulation. Random sample sizes will yield results that are within a certain percentage of error. Observe the interests of random samples and make inferences about a population.

A preview of each game in the learning objective is found below.

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Tags: statistic, data, population, information, sample, statistical question, percent error, random sample

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