What are the basic source of business data

Source of data

primary source in which original Research and material are sumrise these maybe taken from Studios which is made weather on his simple or consist places of from case studies secondary source which are used the data collected through primary source for certain specific purpose or general presentation in summary of the word no destination is made between secondary and three source in large part of the data present it is published source initiative collected by means of statistical survey..

methods of collecting data

the collection of data for various type of Investigation may be done which may be done with the help of the following two method..census method is Survey which include every elements of the population of Universe under studies called a survey a population can be finished or infinite for example the population consisting of all world produce in a factory on a given day in various the population consisting of all possible outcomes in successive of a coin is infinite..

it is often impossible or impractical

to observe the and group specifically when is a large instead of examine the entire group called the population of Universe 1 is needed to exam a small part of the group college symbol if a simple is representative of a population important consolation about the population can often be inside from analysis of the simple the face of statistic dealing with condition under which such in Francis valid is called inducting statistics or statistical in French because such inference cannot be absolutely certain the language of Trophy ability is often used in staining consolation..

principal of statistical regularity

we can conclude from this principle that if a simple sample is taken at random from a population it is likely to process the same characteristic as that of the population the principal is inactive If the size of the sample is so small and then sample may not be true representative of the population..