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arsen [322]
3 years ago
10

Correlation is not causation. explain this statement

Advanced Placement (AP)
1 answer:
NARA [144]3 years ago
8 0
Correlation not causation means that just because two things correlate, that does not mean that one causes the other. <span />
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A teacher collected information from a class of 25 students about the time, in hours, they spent studying the previous week and
djverab [1.8K]

Answer:

  • <u><em>B. −0.72</em></u>

Explanation:

The <em>correlation coefficient</em> is a measure of the linear association between two variables.

It is a dimensionless value bettween - 1 and +1. Hence, it does not depend on the units that are used to measure the data.

You can see the formula to calculate the correlation coefficient in the attached picture.

There you see that the numerator containts the sum of the differences of the values of the x-variable with its the mean, multiplied by the sum of the differences of the values of the y variable with its mean, while the denominator contains the square root of the product of the squares of the same differences, thus the units are canceled.

In conclusion,<em> If the teacher changes the units of each variable from hours to minutes, the value of the correlation coefficient between minutes studying and minutes spent on the Internet will not change</em>; it will continue being <em>−0.72.</em>

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Alex_Xolod [135]
What's the question? 
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It is hard for identity thieves to steal any identity in today’s society.
olga_2 [115]
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Reading Lesson, Chapter 9: Transforming the Economy, 1800–1860
Kruka [31]

Answer: Well im guessing all they are asking you to do is write or say in a discussion or what you would say in a group discussion. Here are the major steps you must follow if you are given the role of starting a group discussion

1.Introduce Yourself First. As the initiator, it is pivotal that you introduce yourself before telling everyone about the topic.

2.Be Clear & Coherent.

3.Present the Topic with an Interesting Take

(And the last step is to)

4.Efficiently Use your Time

Explanation:

I don't know if that helps but make sure you Discuss with you peer or group

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What would be the effect if the U.S dollar drops in value relative to other major foreign currrencies
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<span> An increase in the price level,So C is your answer.


Hope this helps.</span>
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