Question

State the name of the sampling method used in each of the following scenarios.

Answer 1

Answer:

1. convenience sampling method

2. simple random sampling method

3. cluster sampling method

4. stratified sampling method

Step-by-step explanation:

1. convenience sampling method:

what this biologist does is to take a sample from the lake in a non random fashion. It is a non probability sampling method. And it doesn't involve selecting participants randomly.

2. simple random sampling

the question says that the respondents who are US residents are randomly selected. Each of the resident has equal probability of being chosen

3. cluster sampling method:

this researcher groups the full population into 200 farms and then he picks 4 clusters randomly then he surveyed all cows in the 4 selected farms

4. stratified sampling method:

The researcher shares the full voter population into several counties which are regarded as stratas. From where a simple random sampling of 50 registered voters from each of the counties are selected.