Statistics and Probability

### Lessons for this standard

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### Related standards

- This standard is part of: SP
- This standard is derived from: CCSS.Math.Content.7.SP.A

#### More specific sub-standards

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.

Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions. (e.g., Estimate the mean word length in a book by randomly sampling words from the book; predict the winner of a school election based on randomly sampled survey data. Gauge how far off the estimate or prediction might be.)

#### Similar standards in other grades

Recognize a statistical question as one that anticipates variability in the data related to the question and accounts for it in the answers. (e.g., “How old am I?” is not a statistical question, but “How old are the students in my school?” is a statistical question because one anticipates variability in students’ ages.)

recognize a statistical question as one that anticipates variability in the data related to the question and accounts for it in the answers.

Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets.

Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets.

Interpret differences in shape, center, and spread in the context of the data sets, accounting for possible effects of extreme data points (outliers).

#### Similar standards elsewhere

Use random sampling to draw inferences about a population.

Use random sampling to draw inferences about a population.

Use random sampling to draw inferences about a population.

Use random sampling to draw inferences about a population.