Answer:
Selection bias
Explanation:
Selection bias occurs because the sample that is taken is not representative of the general population.
If a sample is taken from the undergraduate students you can only generalize to undergraduate students.
Say that you want to know which is the most popular baseball team in the country and you take a sample from New York, and that give a result that 60% of the sample supports the Yankees. If you say "60% of americans support the Yankees" you will be commiting an error because your sample is not representative, and Californians may not share that result (for example).
Answer:
Increase in police patrol presence decreases crime rates.
Explanation:
A hypothesis is a proposed explanation. In your particular question, you are providing an explanation as to why crime rates may be decreasing. So, crime rates would decrease if police patrol presence was increased.
I would say C but i haven’t watched what your suppose to be watching. Sorry if i couldn’t help you.
Answer:
Civil rights are an essential component of democracy. They're guarantees of equal social opportunities and protection under the law, regardless of race, religion, or other characteristics. Examples are the rights to vote, to a fair trial, to government services, and to a public education.
American Indians are the major ethnic group which faces the highest poverty rate in United states of America.
Explanation:
American Indians are the only ethnic group that includes Inuit and Indian residents living in Alaska which face the highest poverty rate. African Americans comes the next highest ethnic group with an increased poverty rate. This is concluded by the US Census Board.
African Americans are the people who face many economic and social issues in the American society and they have become the victims of poverty too. African American women are the group within the American society that suffers from highest rate of poverty.