Combinations
Count selections without order and check for repeated counting.
Meaning
Combinations select objects without distinguishing order. Starting from an ordered count, divide by the number of times each selection was counted to remove duplication.
Example
Practice for this concept
Scope and references
Topics
Unordered selection, properties of combinations, combinations with repetition
Learning goal
Count selections without order and check for repeated counting.
Helpful background
Compare cases where the same selection has been counted in different orders.
Combinations
These choice exercises calculate or judge specified finite data, trials, or assumptions. They do not establish data collection, written inference, model validation, or mastery of the whole statistics area.