SOLUTION: using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.

Algebra ->  Probability-and-statistics -> SOLUTION: using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.      Log On


   

Question 955678: using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.
Answer by stanbon(75887) About Me  (Show Source):
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using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.
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Find the mean of the data::
(3+13+15+16+16+20+23)/7 = 106/7 = 15.14
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std = 5.84
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score = z*s+u
Ans: score = -0.25*5.84+15.14 = 13.6
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Cheers,
Stan H.
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