C. A relationship between variables must be present in order to say that a correlation exists
Explanation:
To establish a correlation one must first understand that the correlation is a relative term in that it can only be established between two entities that are essentially changing in reference to something,
Only in their change can a pattern be established that can then be worked upon as a correlation.
Thus a relationship between certain variables must exist for something to be a correlation and not simply a connection drawn,
I believe it is called medicaid. Hope my answer was helpful!
When massive amounts of data need to be regularly archived, tape is the type of media that is most frequently employed.
What is government regulations?
The term "government regulations" which is rule or mechanism government imposed the laws on private firms or bodies.
Even though many storage administrators are increasingly favoring disk as the media of choice for backups, tape storage media remains the most popular archive medium, mostly due to its cost-to-capacity ratio but also due to a very broad and well-established implementation base.
As a result, when significant volumes of data need to be regularly archived, tape is a reliable medium that is frequently utilized.
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Once they are appointed, they are appointed for life
The Battle of Stalingrad was a great fight between the Wehrmacht (the army of Nazi Germany) and its Axis allies against the troops of the Soviet Union for the possession of the city of Stalingrado (current Volgograd), on the banks of the Volga River, between 17 July 1942 and 2 February 1943, during World War II. The battle was one of the turning points of the war on the Eastern Front, marking the limit of German expansion into Soviet territory, from where the Red Army would push German forces into Berlin.