The following is an example of a cluster sampling.
Cluster sampling<span> is a </span>sampling<span> 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 </span>clusters) and a simple randomsample<span> of the groups is selected.</span>
Answer:
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Step-by-step explanation:
Answer:
The answer to your question is:
Step-by-step explanation:
Statement Reason
1.- ---- ----
2.- m∠1 + m∠2 = 180° -----
3.- ----- -----
4.- ------ Definition of bisector
5.- m∠1 + m∠3 = 180° Substitution property of equality
6.- ----- -----
Answer:
8 + 
Step-by-step explanation:
I'm assuming you want an answer to the top section of the question.
We can start with 8.
8
When a problem asks for the sum, it's looking for addition, so we use the + sign.
8 +
The problem says "a number," so let's represent that with x. Basically, x just means a number we don't know.
8 + x
The "number" is divided by 4, so we'll just put x/4 as our second term.
8 +
Clockwise 90 ° rotation; enlargement
