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.
Hello. You forgot to introduce the answer options. The options are:
A. Slaves were needed to defend plantations against invaders.
B. Slavery boosted the reputations of Southern landowners.
C. Slaves could be traded with other nations for money.
D. Slavery helped slave families stay together on plantations.
E. Slaves were required to grow crops on plantations.
Answer:
E. Slaves were required to grow crops on plantations.
Explanation:
Pro-slavery Americans claimed that slaves were essential to the supply of agricultural products in the country. This is because it was the slaves who did the whole process of sowing, maintaining, harvesting, processing and distributing agricultural products from southern crops. These people who defended slavery, claimed that freeing the slaves would dissolve all this labor and block the productivity of the national agricultural sector.
Answer:
<em>Burton Malkiel</em> believes that most economists do not write well, therefore students become glassy eyed when studying texts of an economist.
Explanation:
In the foreword of the book<em> "</em>Naked Economics: Undressing the Dismal Science"<em> </em>by <em>Charles Wheelan</em>, <em>Burton Malkiel</em> noted that most economics can not write well and their texts rely mostly on algebraic manipulations and diagrams, only few economists can explain economic analysis in a simple way or show it`s relevance in everyday life. Therefore students get glassy eyed when studying economics.
Answer:
The story of America is the story of expanding liberty: an ever-widening circle, .more powerful force now than it was during the heyday of the Victorian era.