Scatterplots and Personality Dimensions Analysis

XAT 2017 · QADI · Medium · Data Interpretation

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Passage / data set

The grid captures relationships among seven personality dimensions: "extraversion", "true_arousal_plac", "true_arousal_caff", "arousal_plac", "arousal_caff", "performance_plac", and "performance caff". The diagonal represents histograms of the seven dimensions. Left of the diagonal represents scatterplots between the dimensions while the right of the diagonal represents quantitative relationships between the dimensions. The lines in the scatterplots are closest approximation of the points. The value of the relationships to the right of the diagonal can vary from -1 to +1, with -1 being the extreme linear negative relation and +1 extreme linear positive relation.

Question 1 of 4

Which of the following is true?

  1. A.

    "Extraversion" has two modes.

  2. B.

    Median for "arousal_plac" is definitely the same as its average.

  3. C.

    Median for "arousal_caff" is definitely higher than its average.

  4. D.

    Median for "performance_plac" is definitely lower than its average.

  5. E.

    Median for "performance_caff" is definitely lower than its average.

Question 2 of 4

Which of the scatterplots shows the weakest relationship?

  1. A.

    Between "extraversion" and "performance_caff".

  2. B.

    Between "true_arousal_plac" and "arousal_plac".

  3. C.

    Between "true_arousal_plac" and "performance_plac".

  4. D.

    Between "true_arousal_caff" and "performance_caff".

  5. E.

    Between "arousal_caff" and "performance_caff".

Question 3 of 4

In which of the following scatterplots, the value of one dimension can be used to predict the value of another, as accurately as possible?

  1. A.

    "extraversion" and "true_ arousal_caff'

  2. B.

    "true_arousal_plac" and "arousal_plac"

  3. C.

    "true_arousal_plac" and "performance_plac"

  4. D.

    "true_arousal_plac" and "performance_caff"

  5. E.

    All the above are irrelevant relations.

Question 4 of 4

Which of the following options is correct?

  1. A.

    0.93 on the right side of the diagonal corresponds to the third scatterplot in the fourth row.

  2. B.

    0.94 on the right side of the diagonal corresponds to the second scatterplot in the fourth row.

  3. C.

    0.38 is the relationship between "extraversion" and "true_arousal_plac".

  4. D.

    "arousal_catr" and "performance_caff" arc positively related.

  5. E.

    The line that captures relationship between "arousal_caff" and "arousal_plac" can be denoted by equation: y = a - bx, where b > 0.

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