A teacher asks students to list the math lessons they learned on nine random school days in the past month. She evaluates the st
udents’ performance on this assignment to get a general picture of how well students are taking notes. This teacher’s method is an example of systematic random sampling. simple random sampling. convenience sampling. stratified sampling.
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.
If you're talking about inequality graphs, you shade the area where any point in the shaded area can solve the inequality, if I remember correctly. I can't exactly show you how much to shade.
