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Old 09-10-2013
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Stats Normal Distribution Question

On a gross anatomy quiz, test scores of 10, 10, 10, 70, 40, 20, and 90 are obtained by seven students in a laboratory group.
Which of the following correctly describes these quiz scores?

(A) Positively skewed
(B) A normal distribution
(C) Negatively skewed
(D) The mode is higher than the mean
(E) The mode is equal to the mean
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Old 09-10-2013
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Default A

MEAN 35.7 (36)
MEDIAN 20
MODE 10

Positively skewed MEAN>MEDIAN>MODE
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Old 09-11-2013
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Default

Well first looking at the numbers:
the mean is: 35
median: 20
mode: 10
since mean is great than medium which is greater than mode- it is a positive skew so
A!
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Old 09-11-2013
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Default

Correct
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Biostatistics-Epidemiology, Step-1-Questions

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