Susan weighs 140 pounds. You learn 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 weight distribution in the sorority?

Susan weighs 140 pounds. You learn 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 weight distribution in the sorority?



A. zero
 
B. 1


C. 2


D. 1.5


E. -1

  Answer Key: B


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