Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
Algebra 2 (Eureka Math/EngageNY)
Module 4: Inferences and conclusions from data
Topic C: Lessons 18-19: Sampling variability in the sample mean
Topic C: Lessons 18-19: Sampling variability in the sample mean
Introduction to sampling distributions
Central limit theorem
Sampling distribution of the sample mean
Sampling distribution of the sample mean (part 2)