A random sample is a subset of individuals that are randomly selected from a population of interest. Because researchers usually cannot obtain data from every single person in a group due to time, costs and other constraints, a smaller portion is randomly chosen to represent the entire group as a whole. The goal is to get a sample that is representative of the larger population.
Answer:
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Explanation:
Answer: B is correct, "During the four days that we were on vacation, my dog refused to eat."
Explanation:
The words vacation and out of town are repetitive, and therefore unnecessary. The words repeated and over and over again are the same case. When you remove both of those, sentence B best portrays the most concise sentence.
Hope this helps! Please rate brainliest! :)
Explanation:
It helps the reader identify the central claim and the supporting evidence.
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