The answer is that the chosen american adult males over age 50 as the population, because of having a population will be helpful for his students to be able to pick sample from these fifty people which could already consider as a larger group.
The answer is cohort. This is a gathering of subjects who share a characterizing trademark (ordinarily subjects who encountered a typical occasion in a chose day and age, for example, birth or graduation).
Accomplice information can periodically be more beneficial to demographers than period information. Since associate information is sharpened to a particular day and age, it is typically more exact. It is more precise because of the way that it can be tuned to recover custom information for a particular report.
Primary sources are any sources that are written at the time of an event's occurrence, by an eyewitness. In other words, it's an original source (B is correct). It is usually reliable (A is incorrect) and original (C is incorrect). It can be a compilation, but that is not the definition. (D is incorrect.)
Answer: B
Answer:
Explanation:
In most areas, improved techniques of production, innovations in transportation, and new commercial practices impacted the surge in luxury goods during this period. During China's Tang Dynasty (618-907) the government standardized the production of porcelain which led to higher quality work and increased quantities
They punished the colonies by closing the port of boston and put in place a series of laws called the Intolerable Acts because of the Boston Tea Party.They also placed troopd in the city.
The Committees of Correspondence rallied colonail opposition aganist british policy and established a political union among the thirteen Colonies.
