A certain psychological test measures empathy and emotional intelligence. The mean and standard deviation of the difference, D, in scores for a randomly selected pair of senior and first-year students are up = 19 and op = 44.6878. How can these values be interpreted? Check all that apply. * Seniors are 19 points more empathetic than first-year students. ✓ The average of the difference of scores would be about 19 points if you were to take many, many samples of first-year and senior pairs. * For a pair of randomly selected first-year and senior students, the difference of their scores is usually 19 points. ✓ For a pair of randomly selected first-year and senior students, the difference of their scores typically varies from the mean of 19 points by about 45 points. * Students who take this psychological test should expect their score to vary from the mean by about 45 points, regardless of their class standing. €

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A certain psychological test measures empathy and emotional intelligence. The mean and standard deviation of the
difference, D, in scores for a randomly selected pair of senior and first-year students are up = 19 and op = 44.6878.
How can these values be interpreted? Check all that apply.
* Seniors are 19 points more empathetic than first-year students.
The average of the difference of scores would be about 19 points if you were to take many, many samples of
first-year and senior pairs.
* For a pair of randomly selected first-year and senior students, the difference of their scores is usually 19 points.
✓ For a pair of randomly selected first-year and senior students, the difference of their scores typically varies from
the mean of 19 points by about 45 points.
* Students who take this psychological test should expect their score to vary from the mean by about 45 points,
regardless of their class standing.
€
Transcribed Image Text:A certain psychological test measures empathy and emotional intelligence. The mean and standard deviation of the difference, D, in scores for a randomly selected pair of senior and first-year students are up = 19 and op = 44.6878. How can these values be interpreted? Check all that apply. * Seniors are 19 points more empathetic than first-year students. The average of the difference of scores would be about 19 points if you were to take many, many samples of first-year and senior pairs. * For a pair of randomly selected first-year and senior students, the difference of their scores is usually 19 points. ✓ For a pair of randomly selected first-year and senior students, the difference of their scores typically varies from the mean of 19 points by about 45 points. * Students who take this psychological test should expect their score to vary from the mean by about 45 points, regardless of their class standing. €
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