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August 29, 2014

August 29, 2014

Posted by **Anonymous** on Wednesday, October 1, 2008 at 11:45am.

I don't know.

600/sqrt100

60

80+-2.58*60

2334.8 and -74.8

- Math -
**PsyDAG**, Thursday, October 2, 2008 at 1:26pmYou have reversed your values.

The standard error is the standard deviation — not the mean — divided by the square root of n.

You also want the mean ($600) [not the standard deviation] ± 2.58 times the standard error.

I hope this helps. Thanks for asking.

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