Thursday

December 18, 2014

December 18, 2014

Posted by **Mike** on Monday, June 18, 2012 at 10:55pm.

- Statistics -
**PsyDAG**, Tuesday, June 19, 2012 at 10:39amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√n

If only one SD is provided, you can use just that to determine SEdiff.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

- Statistics -
**Anonymous**, Friday, June 22, 2012 at 12:24pmThe probability of being a smoker for a population of college students is 0.20.The standard deviation for samples of 1600 students is 0.01. The standard deviation would be smallest for which of these sample sizes?

A) 16

**Answer this Question**

**Related Questions**

statistics - According to a recent studey, 1 in every 4 women has been a victim ...

statistics - a computer teacher has 20 students 8 who are women and 12 are men. ...

history - What development helped women take their first steps toward public ...

history - what developent helped women take their first steps toward public life...

statistics - To find out what people think, the Gallup Poll selected a random ...

statistics - the participants in a television quiz show are picked from a large ...

Economics - Women are less likely to be member of labor unions because: A. Fewer...

statistics - we want to if men and women perform differently on statistics tests...

statistics - Tall clubs international is a social organization for tall people. ...

statistics - you have requirement that men must be at least 74 in tall and women...