Saturday

October 25, 2014

October 25, 2014

Posted by **Nancy** on Monday, April 4, 2011 at 8:52pm.

- math -
**PsyDAG**, Wednesday, April 6, 2011 at 3:14amFind table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion of 5% in the smaller area. (90% leaves 5% in each direction.)

90% confidence interval = mean ± 1.645(SEm)

SEm = SD/√(n-1)

This gives confidence interval for means rather than individual scores.

**Answer this Question**

**Related Questions**

Stats - identify what is the 95 percent confidence interval for upper class ...

Statistics - These are the only ones that I am having problems with. Please help...

Statisitcs - I have given you the information from 2-4 in hopes to help with the...

math - At the Statistics Canada Web site, you can find the percent of adults in ...

Statistics - Please help!! I have no idea how to do this question. 14. A sample ...

statistics - The Frayed Nerves Anxiety Scale (FNAS) is used to measure the ...

Statistics - A survey of community banks asked about the loan to deposit ratio (...

Statistics - I have provided information from #3-5 in order to answer #6.. 3. ...

Statistics - 1. A study of 40 people found that they could do on the average15 ...

Statistics - At the Statistics Canada Web site, you can find the percent of ...