What is statistics? And census?​

A census studies every member of a population. ... Basically, a parameter contains information about everyone in the population while a statistic only tells you something about a small part of that population (How to tell the difference between a statistic and a parameter).

Statistics:-

Statistics is the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data. Statistics is a highly interdisciplinary field; research in statistics finds applicability in virtually all scientific fields and research questions in the various scientific fields motivate the development of new statistical methods and theory. 

Census:-

Census, an enumeration of people, houses, firms, or other important items in a country or region at a particular time. Used alone, the term usually refers to a population census—the type to be described in this article. However, many countries take censuses of housing, manufacturing, and agriculture.

I hope this answer is happy for you if you want you can shorten this

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.

yes

it is because 3 because the citizen the northern democratic party watned the warning on red to blue because it is purple. lol