Explain the purpose of public opinion polls. Describe several ways in which a sample can be conducted. Which is the most effective? Why?

The purpose of public opinion polls is to making across all perspectives between the government and the general masses views that reflects in their voting and Conducting Survey of a particular section of the society is the best way in which a sample can be conducted.

Explanation:

Public opinion performs a significant role in the political sphere. Making across all perspectives of the relationship between government and public opinion are reflections of polling behavior.

In statistics, survey sampling represents the process of picking a sample of components from a particular population to carry out a survey. The term survey may apply to many diverse types or methods of observation.

they are best known for the cliff pueblos found throughout arizona, new mexico, colorado and utah. and for their development of desert farming.

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both eastern and western early north american cultures were known for building wigwams and longhouses.

wigwams, also called wetus, were small houses of 8-10 feet tall, made of wooden frames covered with woven mats and sheets that were used by algonquian indians. similarly,   longhouses were also used by algonquian and the iroquois tribes, and they were built as well with pole frames and elm bark covering. however, the main difference between wigwams and longhouses is that the latter was much larger than the former, with 200 feet long, 20 feet wide, and 20 feet high with inner raised platforms used for sleeping space.