Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
<span>precision is after the decimal point.
</span>
Answer:
<em><u>Answer is below</u></em>
Step-by-step explanation:
<u><em>3+5(2−3)−6</em></u>
<u><em>=3+(5)(−1)−6</em></u>
<u><em>=3+−5−6</em></u>
<u><em>=3+−11</em></u>
<u><em>=−8</em></u>
<u><em>So therefore, your answer would be -8</em></u>
Answer:
What's the equation?
Step-by-step explanation:
Answer:
68+72+85=225
plus 79 =304 divided by 4 = 76
plus 89 =314 divided by 4 = 78.5
plus 91=316 divided by 4 = 79
so the answer is C
plz brainlest
