Respuesta :
This teacher’s method is an example of - simple random sampling.
Simple random sampling or abbreviated to SRS can be defined as a 'n' size sample; consisting of 'n' individuals. These samples are chosen from a population in such a way that every set of individuals gets an equal chance get selected for being a sample.
Sampling is done to get an idea of how the population must be performing(its properties). The method this teacher used is an example of: Option A: Simple Random Sampling.
What is simple random sampling?
If the sampling is done from the population randomly, without any other rule, then such sampling is called simple random sampling. Items are selected in a fixed size, all randomly.
What is stratified sampling?
Sampling which is done by taking the main population divided in categories(called strata), then such sampling from stratas (sub-parts of the population) is called stratified sampling.
What is systematic random sampling?
In this type of sampling, starting of the sampling is done randomly, but then rest of the samples are collected by an order. Like for example, first point is selected randomly, then all points are selected that they are equidistant from each other in the population.
What is convenience sampling?
The word "convenience" summarizes this sampling. It is done in a way that those values from population are sampled which are in convenience with the researcher. Like if some random picking is to be done from beads spread on the ground, then the researcher picking those beads which are closer to him.
Thus, for the given case, as the teacher is selecting days randomly, without any discrimination in categories, nor any systematic pattern, nor any her convenience, thus, this is an example of simple random sampling.
Thus, the method this teacher used is an example of: Option A: Simple Random Sampling.
Learn more about simple random sampling here:
https://brainly.com/question/25644040
