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Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is the Z-score of a size 8.5?

Sagot :

Answer:

-1

Step-by-step explanation:

From 10 to 8.5   is  - 1.5  

   this is -1   S.D.   below the mean

(8.5 - 10)/1.5 = -1

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