A middle school contains sixth, seventh, and eighth graders, the characteristics define the best sample an equal number of students chosen at random from each grade level. Option C. This is further explained below.
<h3>What is a sample?</h3>
Generally, A sample is a smaller group of data chosen or selected by a researcher from a larger population using a pre-defined selection process.
In conclusion, A middle school has sixth, seventh, and eighth graders; the features determine the optimal sample, which consists of an equal number of students drawn at random from each grade level.
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B. Sperm and egg cells are made during meiosis and question 2 is B. Sperm
India remained under the authority of Britain until the late 1940s when it adopted a Constitution and proclaimed itself a PARLIAMENTARY REPUBLIC.
Answer:
Mandela chose to keep some of the white security guard, to the surprise of many, in order to promote unification of all races. The black and white security guards slowly learn how to work together well once they realize how important their job is to keep the President safe from the many people who despise him.
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