In a certain ASU classroom, the weight of women is an average of 135 pounds, with a standard deviation of 20 pounds. What is the z-score of a female student who weighs 125 pounds?
-5
-0.5
0.25
-0.25
-2.5
2.5
In a certain ASU classroom, the weight of women is an average of 135 pounds, with a standard deviation of 20 pounds. What is the z-score of a female student who weighs 125 pounds?
-5
-0.5
0.25
-0.25
-2.5
2.5
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