Random <u>selection </u>ensures that a sample is representative of the population. random <u>assignment </u>ensures that participant characteristics are equivalent across groups.
<h3>What is a representative sample?</h3>
Representative samples are little amounts or components that are a part of a bigger group or organization. It shares the same characteristics as the bigger population it represents.
Consider a company in Germany's Bavaria that is going to launch a new service or product. It would be difficult for the company to poll every Bavarian to determine how they felt about the launch. As an alternative, researchers can compile a small sample from various locations in Bavaria that will serve as a representative sample of the local populace. After that, a survey will be given to the respondents to gather their comments on the good or service. A "representative sample" is the term used to describe this selection of Bavarian individuals.
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Pick number 2 its the right one
Lake
the name given to a body of fresh water that is completely surrounded by land.
Answer:
The correct answer for:U.S. slavery continued for 150 years. Black Africans were kidnapped from their own lands and shipped to the New World on the trans-Atlantic journey called the Middle Passage. Slave codes declared that the child of a slave was a slave, Is: Slave children. "Children of the plantation".
Explanation:
The slave code of the united states specified that the children of slaves would follow the condition of the mother so if the mother was a slave the children were going to inherit her slave condition. However, if the save offspring had a free mother the children were going to be a free child even though those were pretty rare cases. In most of the cases, the slave mother would have a few months to take care of the children, nevertheless, after that period, they were required to go back to their slave labors. They would carry the babies while they performed their duties.
