Suppose that a Normal model described student scores in a history class. Parker has a standardized
Score ( $$( z - \text { score } ) \text { of } + 2.5$$
5) This means that Parker
A) is 2.5 point above average for the class.
B) is 2.5 standard deviations above average for the class.
C) none of these
D) has a standard deviation of 2.5.
E) has a score that is 2.5 times the average for the class.

Question

Quizplus · Accepted Answer

A z-score of +2.5 indicates that Parker's score is 2.5 standard deviations above the class average.

Suppose That a Normal Model Described Student Scores in a History