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A data set is normally distributed with a mean of 27 and a standard deviation of 3.5. Find the z-score for a value of 25, to the nearest hundredth.

Sagot :

Answer:

z score = .2843

Step-by-step explanation:

25 is 2 below 27

   this is  2/3.5 = .5714  S.D. below mean

      z-score  . 2843

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