Statistics

Learn and practice identifying statistical questions, measuring variability and making predictions from sample data with interactive resources from GeoGebra.

Middle School

GRADES 6-8

Comparing Data Distributions

Compare data and distributions of data, numerical and contextual, to draw conclusions, considering the measures of center and measures of variability.

探究GR. 6-8

Comparing Dot Plots

演習GR. 6-8

Investigating Data Using MAD

Identifying Statistical Questions

Recognize that a statistical question is one that will require gathering data that has variability.

演習GR. 6-8

Statistical and Non-Statistical Questions

Inferences From Samples

Make inferences about a population based on a sample and compare variation in multiple samples.

探究GR. 6-8

Determining Population Trends Using a Sample Population

Linear and Nonlinear Relationships in Data Sets

Identify linear and nonlinear relationships in data sets.

演習GR. 6-8

Linear vs. Nonlinear Relationships in Scatter Plots

Measures of Variability

Select the appropriate measure of variability; choose a measure of variability based on the presence of outliers, clusters, and the shape of the data distribution.

演習GR. 6-8

Describing Dot Plots Using the Best Measure of Variability

Observation, Measurement, and Sampling

Describe a data set by its number of observations, what is being measured, and the units of measurement.

探究GR. 6-8

Visualizing Data Using Dot Plots

Population vs. Sample

Distinguish between a population and a sample and draw conclusions about the sample (random or biased).

探究GR. 6-8

Comparing Random and Biased Samples of Population

Predictions From Samples

Make predictions based on results from surveys and samples.

演習GR. 6-8

Predicting Population Trends Based on a Sample Population

Quartiles and Interquartile Range of Data

Determine the quartiles or interquartile range for a set of data.

演習GR. 6-8

Finding the Interquartile Range

Range of Data Sets

Describe data using the range.

探究GR. 6-8

Range of a Herd of Cows

Set Theory

Use set notation to describe domains, ranges, intersection, and union of sets. Identify cardinality of sets, equivalent sets, disjoint sets, complement, or subsets.