A correlation is some sort of connection between two or more ideas. The correlation between attendance and grades is that if a student has low attendance they would have lower grades than that of a student who had high attendance.
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they use satellite data to describe the location of hurricanes center, its past motion, and its maximum wind speed.\
by warning sirens, local television and radio stations, Public Warning Sirens are used in many towns to warn people of for example tornadoes.
to have Higher and more resistant levees and flood walls were constructed throughout the region and design and construction decisions on the levee system
Explanation:
Answer:
This is called cluster sampling procedure.
Explanation:
In this type of procedure, a group of elements is considered instead of individual units. This proceddure is usually based on geography, and it's useful due to its efficiency regarding cost and time.
There are a few disadvantages, though: it might not be diverse enough to be significant, and it's possible that some elements of other groups (in this case, other districts) share some features.
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The graph is down, i got it from my teacher.
Explanation:
During the colonial period, Native Americans had a complicated relationship with European settlers. They resisted the efforts of the Europeans to gain more of their land and control through both warfare and diplomacy
