A student was given an assignment to determine the percentage of students that brought a bag lunch to school. The student chose
5 random classrooms and surveyed every student in those classrooms. Which type of sampling did the student use?
2 answers:
Answer:
Step-by-step explanation:
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Answer:
The student used cluster sampling.
Step-by-step explanation:
The student chose 5 random classrooms and surveyed every student in those classrooms.
This is a form of cluster sampling.
Cluster sampling is a sampling method where the population is divided into different groups by the researcher. These groups are called clusters.
Then out of these clusters, simple random samples are selected and the required survey is conducted from the sampled clusters.
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Answer:
Download photomath and is gonna give u the answers
Step-by-step explanation:
Answer:
Step-by-step explanation:
f(1) = 160
f(n + 1) = -2 * f(n)
n = 1
f(2) = -2*f(1)
f(2) = -2*160
f(2) = - 320
f(3) = - 2*f(2)
f(3) = -2 * - 320
f(3) = 640
f(4) = -2 * f(3)
f(4) = -2 * 640
f(4) = - 1280
Answer:
EI SONA
Step-by-step explanation:
