INTRODUCTION TO STATISTICS
Learn what statistics is and what it is used for, along with basic concepts such as population, individuals, census, and sample, as well as the difference between quantitative and qualitative variables
What is Statistics?
What does Statistics mean? What are its objectives and applications? Learn the core definitions and how statistics is applied in the real world.
Population, individuals, census and sample
Every statistical study starts by defining who or what you are studying, and how to select a representative subset of it
Quantitative and qualitative variables
The type of variable you measure determines which charts, summaries, and tests are valid. Learn to tell them apart