Question 375860
What does it mean to say that a particular value of x has a standard score of +2.9?


A standard score of +2.9 means that this score is 2.9 standard deviations above the mean.




What does it mean to say that a particular value of x has a z-score of -3.5? 



A z-score of -3.5 means that this score is 3.5 standard deviations below the mean.