Susan weighs 140 pounds.You learn that for the women in her sorority the mean weight is 130 pounds,the median is 125,the mode is 120,and the standard deviation is 10 pounds.What is Susan's z-score in the distribution weight in the sorority?
A)zero
B)1
C)2
D)1.5
E)-1

Question

Quizplus · Accepted Answer

Susan's z-score is calculated by subtracting the mean from her weight and then dividing by the standard deviation: (140 - 130) / 10 = 1.

Susan Weighs 140 Pounds