Continuous Variable: can take on any value between two specified values. Obtained by measuring. Covariance: a measure of the direction of the linear relationship between two variables. Discrete ...

This lesson introduces students to the concept of discrete random variables (DRVs) and their probability distributions, forming the foundation of probability-based statistical reasoning. Students ...

Continuous Variable: can take on any value between two specified values. Obtained by measuring. Discrete Variable: not continuous variable (cannot take on any value between two specified values).

If we plot the probability (density) function (PDF) on a graph with vertical axis as probability and horizontal axis as value of X, then that plot is called a "distribution." The PDF is aptly named ...

This IB Maths AI SL 4.7 resource covers Discrete Random Variables and Expected Value and is fully aligned with the IB Applications and Interpretation syllabus Students learn how to work with discrete ...