Lernkarten

Complete set of all items that interest an investigator

-all potential buyers of a new product

- all registred voters in a city or country

- Sample of n objects from a population

- each member is chosen strictly by chance

- each member is equally likely to be chosen

- every j th item in a population N, divided by the desired sample n

- the first number j is randomly chosen

A numerical measure that describes a specific characteristic of a whole population

A numeral measure that describes a specific characteristic of a sample (Stichprobe)

Focus on graphical and numerical procedures to summarize and process data

Focus on using data to make predictions, forecasts etc.