19. which of the following is an example of random sampling techniques?\na. taking the names of every person…

19. which of the following is an example of random sampling techniques?\na. taking the names of every person in a telephone book\nb. generating a list of numbers by picking numbers out of a hat and matching these numbers to names in the telephone book\nc. taking every twentieth name from a list of everybody in the telephone book\nd. taking the first ten names from each page of the telephone book

19. which of the following is an example of random sampling techniques?\na. taking the names of every person in a telephone book\nb. generating a list of numbers by picking numbers out of a hat and matching these numbers to names in the telephone book\nc. taking every twentieth name from a list of everybody in the telephone book\nd. taking the first ten names from each page of the telephone book

Answer

Brief Explanations:

Random sampling involves each member of the population having an equal chance of being selected. In option B, picking numbers out of a hat is a random process and matching them to names in the telephone - book gives each name an equal chance of being selected. Option A is a census (taking all names). Option C is systematic sampling (taking every twentieth name). Option D is a form of convenience sampling (taking the first ten names from each page).

Answer:

B. Generating a list of numbers by picking numbers out of a hat and matching these numbers to names in the telephone book