SOLUTION: A data set has a mean of 𝑥̅= 6.8 and a standard deviation of 1.9. Find the z-score for each of the following. a. 𝑥 = 6.2 b. 𝑥 = 9.0 c. 𝑥 = 7.2 d. 𝑥 = 5.0

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Question 1191143: A data set has a mean of 𝑥̅= 6.8 and a standard deviation of 1.9. Find the z-score for each of
the following.
a. 𝑥 = 6.2 b. 𝑥 = 9.0 c. 𝑥 = 7.2 d. 𝑥 = 5.0
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.

To find z-score, use the same formula for all four cases


    Z = 


where


Z	=	standard score
x	=	observed value
mu	=	mean of the sample
sigma	=	standard deviation of the sample


Use this formula separately for each case.

That's all.



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