Texas Education Agency
Texas Gateway: Data, Sampling, and Variation in Data and Sampling
This learning module discusses quantitative and qualitative data, the use of two-way tables in marginal and conditional distributions, how to display data, variation in data and samples, and how to critically evaluate statistical...
Khan Academy
Khan Academy: Conditional Distributions and Relationships
A small private college was curious about what levels of students were getting straight A grades. College officials collected data on the straight A status from the most recent semester for all of their undergraduate and graduate students.