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The graphic displays results of an Internet survey on the effectivenes

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Sajjad1994
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The graphic displays results of an Internet survey on the effectivenes [#permalink] New post  30 Nov 2019, 23:45
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Question # 59, Date : 28-Nov-2019
This post is a part of Project IR Butler 2019-20. Click here for Details




The graphic displays results of an Internet survey on the effectiveness and popularity of various treatments for depression. The scale on the horizontal axis represents popularity, P, defined as the fraction of all respondents who tried the treatment; the scale on the vertical axis represents effectiveness, F, defined as the fraction of all respondents who considered a given treatment to be effective.

On the basis of the information provided, select from each of the drop-down menus the option that creates the most accurate statement.

1. The most effective treatment used by the greatest number of people is_________.

A. massage therapy
B. light therapy
C. exercise

2. Among the labeled treatments tried by more than half of the respondents,_________ .was the least effective.

A. journaling
B. caffeine
C. fish oil

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1. C. exercise
2. B. caffeine


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Re: The graphic displays results of an Internet survey on the effectivenes [#permalink] New post  06 Apr 2021, 01:32
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Official Explanation

The scale on the graph's vertical axis represents effectiveness, defined as the fraction of respondents who considered a given treatment effective, with greater fractions higher on the axis. Therefore, dots higher in the graph represent more effective treatments. The scale on the horizontal axis represents the fraction of respondents who have tried a given treatment, with greater fractions farther to the right. Therefore, dots farther to the right in the graph represent treatments that more people have tried. The dot representing exercise is both the highest and the farthest to the right, indicating that exercise is both the most effective treatment and the one the most people have tried.

The correct answer is exercise.

As discussed in the analysis above, dots higher in the graph represent more effective treatments, and dots farther to the right represent treatments that more people have tried. The treatments that more than half the respondents have tried are those represented by dots to the right of the mark at 0.5 on the horizontal axis. Among those dots, the one labeled "caffeine" is lowest, indicating that caffeine is the least effective treatment that more than half the respondents have tried.

The correct answer is caffeine.
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Apt0810
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Re: The graphic displays results of an Internet survey on the effectivenes [#permalink] New post  09 Jan 2020, 06:51
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1)C,exercise since it is at the topmost section of graph in terms of the vertical axis (effectiveness fraction) and in the rightmost side in terms of horizontal axis.(fraction who tried the option)

2) Caffeine,since it is >0.5 at the horizontal axis

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Re: The graphic displays results of an Internet survey on the effectivenes [#permalink] New post  12 Dec 2020, 08:28
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1)C, exercise can be found at the topmost corner of the graph and it seems to have the highest value in terms of P(the fraction of all respondents who tried the treatments) and F( the fraction of all respondents who considered a given treatment to be effective.)

2)B, caffeine is the answer as it can be found to be >0.5 on the horizontal axis(the fraction of all respondents who tried the treatments) but <0.2 on the vertical axis(the fraction of all respondents who considered a given treatment to be effective.)
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Re: The graphic displays results of an Internet survey on the effectivenes [#permalink]
12 Dec 2020, 08:28
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