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nagasatish
The graph illustrates a linear relationship (one that is illustrated by a straight line) and a curvilinear relationship (one that is illustrated by a line with a curve that goes in one direction) between two variables represented on the x-axis and y-axis respectively. The graph uses the same data points for both the curves.

From the dropdown menus, select the option that creates the most accurate statement based on the information given.

1. The coordinates of the outlier data point creating a skew in the data are roughly

2. Inclusion of a point in the data will make the curve shown in the graph flatter.

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­nagasatish Can you please post answer to this question?
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I doubt that this question is correct. In order to correctly identify an outlier, there need to be several data points in the dataset. For a dataset with only 4 values, it isn't possible to identify a data point that differs significantly from other observations.
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I doubt that this question is correct. In order to correctly identify an outlier, there need to be several data points in the dataset. For a dataset with only 4 values, it isn't possible to identify a data point that differs significantly from other observations.
­
Could it be that each of the dots on the chart of green and red lines is a date point potentially?
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catinabox
I doubt that this question is correct. In order to correctly identify an outlier, there need to be several data points in the dataset. For a dataset with only 4 values, it isn't possible to identify a data point that differs significantly from other observations.
­
Could it be that each of the dots on the chart of green and red lines is a date point potentially?

The question mentions that 'The graph uses the same data points for both the curves.', so that is not likely.

Posted from my mobile device
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I doubt that this question is correct. In order to correctly identify an outlier, there need to be several data points in the dataset. For a dataset with only 4 values, it isn't possible to identify a data point that differs significantly from other observations.
­
Could it be that each of the dots on the chart of green and red lines is a date point potentially?

The question mentions that 'The graph uses the same data points for both the curves.', so that is not likely.

Posted from my mobile device

But why did they make them with dots 😵‍💫
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I think this graph was made on Excel. If you use Excel's curve fit method, a dotted line is generated.

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AmeetDas, even I’m looking for some solutions to answer this question. Thats the reason I posted it here. I faced this in one of the mock test from experts global.

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Bunuel KarishmaB MartyMurray

Can you explain this one sir??
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nagasatish
AmeetDas, even I’m looking for some solutions to answer this question. Thats the reason I posted it here. I faced this in one of the mock test from experts global.

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Satish, How did u find the experts' global mocks? is it worth the effort ?
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Bunuel KarishmaB MartyMurray

Can you explain this one sir??

I don't know what to make of the given statements and graph. You may want to check with the test maker.
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The graph illustrates a linear relationship (one that is illustrated by a straight line) and a curvilinear relationship (one that is illustrated by a line with a curve that goes in one direction) between two variables represented on the x-axis and y-axis respectively. The graph uses the same data points for both the curves.

From the dropdown menus, select the option that creates the most accurate statement based on the information given.


While we may not be familiar with the terms in this question, we can use common sense to determine which answers are correct.

1. The coordinates of the outlier data point creating a skew in the data are roughly __________.

Scanning the the two lines, we see that they are fitted to four points.

Three of the four points are basically in line with each other.

One of the points, the point toward the center, is out of line with the others. So, that point is must be the outlier point.

The coordinates of the point that's not in line with the others are between 1100 and 1500 on the horizontal axis and a little over 50 on the vertical axis.

So, the correct answer to fill the blank is [1100, 60].

2. Inclusion of a point __________ in the data will make the curve shown in the graph flatter.

­Since the curved line is fitted to the points, to make the curve flatter, we need a point that offsets the effect of the outlier point at [1100, 60].

Such a point will be above the straight line and basically across the straight line from the outlier point.

Also, so that the additional point does not distort the curved line in a new way, it must be about the same distance from the straight line as [1100, 60]. It other words, it cannot be very far from the straight line, as is, for instance, [120, 2000].

Among the answer choices, the point that best fits those criteria is [1100, 190].

Correct answer: [1100, 60], [1100, 190]
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Hi MartyMurray wouldn't the point (1100, 190) distort the curved graph when we plot both [1100, 60], [1100, 190].

MartyMurray
The graph illustrates a linear relationship (one that is illustrated by a straight line) and a curvilinear relationship (one that is illustrated by a line with a curve that goes in one direction) between two variables represented on the x-axis and y-axis respectively. The graph uses the same data points for both the curves.

From the dropdown menus, select the option that creates the most accurate statement based on the information given.


While we may not be familiar with the terms in this question, we can use common sense to determine which answers are correct.

1. The coordinates of the outlier data point creating a skew in the data are roughly __________.

Scanning the the two lines, we see that they are fitted to four points.

Three of the four points are basically in line with each other.

One of the points, the point toward the center, is out of line with the others. So, that point is must be the outlier point.

The coordinates of the point that's not in line with the others are between 1100 and 1500 on the horizontal axis and a little over 50 on the vertical axis.

So, the correct answer to fill the blank is [1100, 60].

2. Inclusion of a point __________ in the data will make the curve shown in the graph flatter.

­Since the curved line is fitted to the points, to make the curve flatter, we need a point that offsets the effect of the outlier point at [1100, 60].

Such a point will be above the straight line and basically across the straight line from the outlier point.

Also, so that the additional point does not distort the curved line in a new way, it must be about the same distance from the straight line as [1100, 60]. It other words, it cannot be very far from the straight line, as is, for instance, [120, 2000].

Among the answer choices, the point that best fits those criteria is [1100, 190].

Correct answer: [1100, 60], [1100, 190]
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Natansha
Hi MartyMurray wouldn't the point (1100, 190) distort the curved graph when we plot both [1100, 60], [1100, 190].
Yes, if the curve were to basically go from one point to the next, it would be distorted by the addition of that point. At the same time, I think the idea point of the curved graph is to plot one curve that best fits all the points, rather than a wavy line that goes from point to point.

With graph as one curve created that way, the addition of [1100, 190] would just pull the center of the curve upward, flattening it.
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Hi Marty, Why wouldn't [2750, 350] be the outlier? None of the curves touch that point and I'm not sure if it's in line with the straight line.
MartyMurray
The graph illustrates a linear relationship (one that is illustrated by a straight line) and a curvilinear relationship (one that is illustrated by a line with a curve that goes in one direction) between two variables represented on the x-axis and y-axis respectively. The graph uses the same data points for both the curves.

From the dropdown menus, select the option that creates the most accurate statement based on the information given.


While we may not be familiar with the terms in this question, we can use common sense to determine which answers are correct.

1. The coordinates of the outlier data point creating a skew in the data are roughly __________.

Scanning the the two lines, we see that they are fitted to four points.

Three of the four points are basically in line with each other.

One of the points, the point toward the center, is out of line with the others. So, that point is must be the outlier point.

The coordinates of the point that's not in line with the others are between 1100 and 1500 on the horizontal axis and a little over 50 on the vertical axis.

So, the correct answer to fill the blank is [1100, 60].

2. Inclusion of a point __________ in the data will make the curve shown in the graph flatter.

­Since the curved line is fitted to the points, to make the curve flatter, we need a point that offsets the effect of the outlier point at [1100, 60].

Such a point will be above the straight line and basically across the straight line from the outlier point.

Also, so that the additional point does not distort the curved line in a new way, it must be about the same distance from the straight line as [1100, 60]. It other words, it cannot be very far from the straight line, as is, for instance, [120, 2000].

Among the answer choices, the point that best fits those criteria is [1100, 190].

Correct answer: [1100, 60], [1100, 190]

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