Answer:
equal to
Step-by-step explanation:
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Answer:
b=16
Step-by-step explanation:
1) Divide 3 on both sides.
2) 3 divided by 3 and 48 divided 3.
3) Now you're left with 16, so the value of b is 16.
Answer:
m=9
Step-by-step explanation:
Slope=m= So
(11-2)/(4-3)=
9/1=
m=9
Answer:
The study provided uses a Cluster sampling method.
Step-by-step explanation:
The researcher first selects all the schools in the district.
Then he samples 5 schools from the entire district using a random number generator.
Then the researcher interviews every teacher from the 5 schools selected.
This is an example of cluster sampling.
In a Cluster sampling method, the researchers first divide the entire population into homogeneous groups, then selects a random sample of groups form the population. Then they select a random sample from each group selected.
If the researcher samples the entire groups selected then this is the case of one-stage cluster sampling and if they select a random sample of fixed size from each group selected then this a case of two-stage sampling.
Thus, the study provided uses a Cluster sampling method.