3 years ago

Is the following an example of simple random, cluster, systematic or convenience sampling?

1 answer:

7 0

The following is an example of a cluster sampling.

Cluster sampling is a sampling technique used when "natural" but relatively heterogeneous groupings are evident in a statistical population. It is often used in marketing research. In this technique, the total population is divided into these groups (or clusters) and a simple randomsample of the groups is selected.

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3 years ago

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2 years ago

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(R-C)(x) = (x²+5x+14)-(x²-4x+5) = x²-x²+5x--4x+14-5 = 5x+4x+14-5=9x+9

(Use 5 for x)

(R-C)(5) = 9(5) + 9 = 45+9 = 54

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