Question

match the name of the sampling method descriptions given. situations - dividing the population by gender, and choosing 30 people of each gender - asking people on the street - dividing by population by voting precinct, and sampling everyone in the precincts selected - call every 15th phone number on every 5th page of the phone book - writing everyones name on a playing card, shuffling the deck, then choosing the top 20 cards sampling method a. cluster b. simple random c. convenience d. stratified e. systematic

Explanation:

1. Dividing by gender and choosing a fixed - number from each group is stratified sampling as the population is divided into strata (gender in this case) and samples are taken from each stratum.
2. Asking people on the street is convenience sampling as it is based on the ease of access to the sample.
3. Dividing the population by voting precinct and sampling everyone in the selected precincts is cluster sampling where the voting precincts are the clusters.
4. Calling every 15th phone number on every 5th page of the phone - book is systematic sampling as there is a fixed sampling interval.
5. Writing names on cards, shuffling, and choosing the top 20 cards is simple random sampling as each member of the population has an equal chance of being selected.

Answer:

1. d. Stratified
2. c. Convenience
3. a. Cluster
4. e. Systematic
5. b. Simple Random