Secondary data , Using data collected previously by someone else from sources such as online website and books, Primary Data , Data collected for the first-time using tools such as interviews and survey's, Bias , The data source is using unethical and unfair practices of getting data., Size , The sample size must be enough for the data to be valid , Reputation , The sources of data must have good reputation on relevant subjects..

etter

Ledertavle

Visuell stil

Alternativer

Bytt mal

)
Gjenopprett automatisk lagring: ?