Answer:
random assignment, a random sample
Explanation:
In an experiment which requires groups the groups are to be made sure that members of each group is selected at random. This is known as random assignment.
The selection of participants from a population randomly i.e., having no pattern is called random sampling and the sample is called random sample. The random sample is selected as such in order to be representative of the population.
Answer:
Nothing here..
Explanation:
United States Maritime Expansion across the Pacific during the 19th Century. The resulting agreement, the Treaty of Wangxia, was ratified in 1844, and soon thereafter U.S. ministers and consuls took up residence in China’s capital and port cities.
Hopes this helps I guess
Marther Luther King Jr. was a leader of the Civil Rights movement that helped African Americans gain the same rights as whites in the U.S. Rosa Parks was an icon that inspired the Montgomery Bus Boycott which was part of the Civil Rights movement. No, I don’t believe it was difficult because a majority of people who road the buses were African American, there were many other ways to travel, and the cause that they were supporting by not riding the bus was worth being part of.
