Answer:
b. variability of the estimates made from the data collected in the poll
Explanation:
A sample size tends to influence the precision of the estimates and power of the study. With the increase in the sample size of an opinion poll there is a decrease in the means of the standard deviation. This results in the reduction of the variability of the estimates which is made from the data collected in the poll. Large samples will have small margin of error.
I think is between d or a
Answer:Sanders, 376 U.S. 1 (1964), was a landmark U.S. Supreme Court case in which the Court ruled that districts in the United States House of Representatives must be approximately equal in population. The case arose from a challenge to the unequal population of congressional districts in the state of Georgia
