Answer:
A) The greater the variance within the population, the larger the sample should be.
Explanation:
The variance of a sample mean is inversely proportional to the sample size, that is, the larger the sample size the smaller the variability of the sample. When sample size increases, the range decreases and hence the variance decreases resulting in a more accurate research result with minimal experimental error.
Hence the researcher should employ a large sample size to reduce the variation in the population.
As trade intensified between Africa and Asia, prosperous city-states flourished along the eastern coast of Africa.
666 (referred to in Revelation) is the number of the beast, or Satin.
Answer:You cannot be, I know, nor do I wish to see you, an inactive spectator. ... Those Braintree families who were able to leave had already packed and ... have made an exception to the rule, when he sold ten acres to help send his son John to college. ... By turns he worried over never having any bright or original ideas, or being ...
Explanation:
Answer:
During the years between 1916 and 1970, the vast majority (more than 90%) of African-American population have migrated from rural southern states to more urban north states.
The <em>main causes</em> are <em>economic issues</em>, along with poverty and unemployment on the one hand, and still prevalent <em>racial discrimination</em> in the South, on the other. It took place in fourteen southern states, with Georgia being the second most affected after Mississippi.