The second part of the sample is that it needs to be representative (large).
A sample needs to be big enough so the estimate has to be close to the real population.
The grid system is going to work like the x,y coordinates on a graph you would draw.
The random numbers are used to generate a number for the x and y coordinates and will tell us where to take a sample from.
The sample needs to be random (bias).
The second part of the sample is that it needs to be representative (large).
A sample needs to be big enough so the estimate has to be close to the real population.
The grid system is going to work like the x,y coordinates on a graph you would draw.
The random numbers are used to generate a number for the x and y coordinates and will tell us where to take a sample from.
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