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OpenStudy (anonymous):
For a normal distribution with mean –15 and standard deviation 6, the value –24 has a z value of a. -2.5 b. 0.5 c. -1.5 d. -3.5
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OpenStudy (anonymous):
z = score - mean / standard dev. So z = -24 - (-15) / 6 Therefore z= -1.5
OpenStudy (anonymous):
Ok thanks so much everybody
OpenStudy (anonymous):
No problem :)
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