SOLUTION: Show your solution : A data set has mean of 75 and standard deviation of 11.5. Find the z-score for each of the following :
a. X=85
b. X=50
c. X=95
d. X=75
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Question 1158647: Show your solution : A data set has mean of 75 and standard deviation of 11.5. Find the z-score for each of the following :
a. X=85
b. X=50
c. X=95
d. X=75
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd=(x-75)/11.5. substitute each x and find z
a is 10/11.5=0.85
b is -25/11.5 or -2.17
c is 20/11.5 or 1.74
d is 0
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