Is there a picture that goes with it?
Answer: Class stratification
Explanation: Class stratification can be defined as the division of society on the basis of access of different sections of he society on the resources available. Class stratification identifies the religious, economic or cultural difference between different sections. It is a form of social stratification.
Under such a stratification the section having higher level of income have higher level of power in the society.
The Transcontinental Railroad innovation had the GREATEST impact on westward migration immediately after the American Civil War.
After the Civil War, there was great interest and opportunity with westward expansion. With the invention of the railroad, the transport of goods and people became quicker and less expensive than ever before.
Answer: No. The student is not right.
Explanation: The central limit theory states that if the sum of independent identically distributed random variables has a finite variance, then it will be approximately normally distributed.
Increasing the size of samples taken from a population, will make the sampling distribution of X look more and more Normal.