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September 20, 2014

September 20, 2014

Posted by **stat** on Monday, October 5, 2009 at 2:56pm.

What is the variance on this questionnaire in the general population?

- statistics -
**Sean**, Monday, October 5, 2009 at 3:02pmThis sounds like a trick question.

If the standard deviation of the answer from the general population is 16, then the variance is σ^{2}, which is 256.

- statistics -
**jean**, Sunday, March 13, 2011 at 12:20amFor a population with a standard deviation of ƒã = 8, a score of X = 44 corresponds to z = -0.50. What is the population mean?

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