Answer:
Explanation:
<u>The sample must represent the population in order to give good, clean and correct results of the poll. </u>
If the sample doesn't represent all the aspects and ideas of the population, the results will be different from the general opinion of the population, and therefore false.
This will cause the <u>incorrect conclusion</u> that can late effect the different researches and their results, but also various different processes, actions and reactions of the market, campaigns and other interactions with the population.
The period immediately after the Civil War when the South rebuilt and the southern states returned to the Union. An amendment to the U.S. Constitution, ratified in 1868, granted citizenship to all born in the United States; this broad language included former slaves.
They were mostly self employed
Answer:
they perform man's job in the steel industry like the oilmines above ground , carpenter unloading docks , the clock around the calender etc .