Stat And Prob Flashcards
A ______ data set contains all members of a specified group (the entire list of possible data values). The _______ refers to the whole group under study or investigation. In research, the population does not always refer to people. It may mean a group containing elements of anything you want to study, such as objects, events, organizations, countries, species, organisms, etc.
Population
A ______ is a subset taken from a population, either by random sampling or by non-random sampling. A ______ is a representation of the population where it is hoped that valid conclusions will be drawn from the population.This is a part of a population determined by sampling procedures where its size is determined as n.
Sample
Data collected from entire population
Parameters
Data collected from a sample of the entire population
Statistics
A ______ is a statistical sampling or testing error caused by systematically favouring some outcomes over others.
Bias
What formula is this?
N \_\_\_\_\_\_\_\_ n= 1+Ne²
Slovin’s formula