Today we discussed random sampling and bias looking at questions from 5.3 Sampling.
We also used the calculator and the computer to generate random numbers and random names from a list..
HW: None
We also used the calculator and the computer to generate random numbers and random names from a list..
HW: None
Random sampling
It is easy to misuse the word 'random'. You might say that you carried out your survey by questioning people 'at random', but what does it really mean to choose someone at random?
Random sampling means that members of a 'population' have equal chances of being selected.
It is easy to misuse the word 'random'. You might say that you carried out your survey by questioning people 'at random', but what does it really mean to choose someone at random?
Random sampling means that members of a 'population' have equal chances of being selected.
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