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Kay [80]
3 years ago
13

Unit Test

Social Studies
2 answers:
zvonat [6]3 years ago
8 0

Answer:

I put C

Explanation:

I got a 90% so theres a good chance that it is right

Alchen [17]3 years ago
3 0

Answer:

b

Explanation:

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kvasek [131]

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3 years ago
What is one of Roman achievements in art?​
jeka57 [31]

Answer:

Mosaics - The Romans created beautiful mosaics on floors and walls. Some of this art is still being uncovered today!

Explanation:

(hope this helps)

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3 years ago
The above graph contains data from a study of overall biodiversity in a stream ecosystem and the population size of a particular
jeka57 [31]

Answer:

The conclusion is false, because it is assuming that correlation = causation.

Explanation:

An important principle in statistical analysis is the principle that when correlation exist between two variables or more, it does not mean that one of the variables are causing the other to appear in a certain manner.

Remember that correlation means that you are investigating whether a relationships exists between two variables; in this example, as we can see, it is between the biodiversity in an ecosystem and the population of an insect.

The graph can be said to illustrate the result of the research; that as the biodiversity of the ecosystem goes down, the insect's population goes up. This is a form of negative correlation.

However - we do not know what is the direction of the relationship; the student concludes that as some insects die within the ecosystem, the researched insect's population goes up; assuming that the predator species died off and thus the researched insect's population increases.

Yet, it is also possible for the relationship to go towards the other direction; the researched insect population increases - perhaps by the introduction of a new food source that causes the species' population to increase - and thus, this damages the biodiversity of the ecosystem, making the population go down since it is possible that the researched insect is instead the species which is on top of the food chain at that ecosystem.

To investigate the direction of a relationship, further research need to be done and more sophisticated statistical methods need to be used.

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3 years ago
Which represented a far-reaching change to organizational control and accounting systems, making securities fraud a criminal off
gladu [14]
<span>The appropriate response is Sarbanes-Oxley Act. It is a demonstration gone by U.S. Congress in 2002 to shield financial specialists from the likelihood of fake bookkeeping exercises by companies. The SOX Act commanded strict changes to enhance money related exposures from companies and counteract bookkeeping misrepresentation.
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