Texas Education Agency
Texas Gateway: Tea Statistics: Sampling and Data: Practice
A set of exercises where students must analyze statistcal data and methodology and answer questions about distributions, sampling, results, accuracy, frequency, experimental design, and ethical practices.
Quia
Ixl Learning: Frequency Tables
Brush up on your math skills relating to frequency tables then try some practice problems to test your understanding.
Texas Education Agency
Texas Gateway: Tea Statistics: Measures of the Spread of the Data
This resource explains the different measures of center, variability, etc. that are used to describe the spread of statistical data. Includes examples and practice exercises.