<h2>Douglass's speech</h2>
The correct sentence that explains the main purpose of Douglass's speech is the following:
- To imply it is time to develop new american traditions.
Frederick Douglass talks about the disparity between citizens and slaves during Fourth of July. He says that justice, liberty, prosperity and independence is only shared by only one part of the society and there needs to be a change.
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IB does this. The IB plans out a students high school courses over at least 2 years. Trust me, I'm in it! Hope that helps!
The given statement about the correlation between two variables is; False
<h3>Pearson's correlation coefficient </h3>
Pearson's correlation coefficient is the measure of linear correlation between two sets of data.
Pearson's r is always between the values of -1 and +1.
In that range, -1 denotes a perfect negative while +1 denotes a perfect positive relationship and 0 denotes the perfect absence of a relationship.
Finally, Pearson's r is symmetric and as such the correlation between two variables x and y must be the same as the correlation between y and x.
Thus, if the correlation between x and y is 0.8, then the correlation between y and x must be also 0.8 and not -0.8 as the question states.
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Answer:
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Explanation:
