Statistics Flashcards
It plays an important role in decision making
statistics
it is a study that deals with the collection, organization, analysis, interpretation of numerical data
statistics
it deals primarily with collection and organization of data
descriptive statistics
it deals with making inferences or conclusion about a population based on findings
inferential statistics
collection of all possible individual objects, measurement of interest
population
is a part of population of interest
sample
samples should at least be __% of population
10%
the data obtained about a population
parameter
2 types of data
continuous data, discrete data
it is the measured data
continuous data
it is the counted or numerical data
discrete data
uses a means of randomization such as random numbers of tables to ensure that each individual in the population has an equal chance of probability to be selected
simple random sampling
is frequently used when a complete, non overlapping list of the persons constituting the available is available
systematic sampling
it gets the interval based on the needed samples
systematic sampling
used when we wish the sample to represent the various strata subgroups of the population proportionately or in the increase of the precision of the estimate
stratified random sampling
