A zscore communicates a raw score's
a. absolute magnitude.
b. distance from the mean in standard deviations.
c. direction from the standard deviation.
d. variability.
Question 2
Pat's last statistics test score was 72 . If the instructor tells Pat the grade distribution was approximately normal, the class mean was 67, and the standard deviation was 3, which of the following is correct?
a. A score of 72 is never good.
b. Pat should be worried about this score, because many other students did better.
c. Pat should be fairly happy about this score, because many students did not do as well.
d. Pat should be ecstatic, because this is obviously one of the highest grades in the class.
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Magnitude of Geologic Time
Sample lod score curves