Wednesday
May 22, 2013

# Homework Help: statistics

Posted by John on Monday, November 1, 2010 at 5:42pm.

if the mean of a set of data is 23.00 and 10.00 has a z-score of -1.30, then the standard deviation must be?

• statistics - PsyDAG, Tuesday, November 2, 2010 at 10:50am

Z = (score-mean)/SD, therefore

SD = (score-mean)/Z

Insert your values and solve for SD.

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