Monday

March 30, 2015

March 30, 2015

Posted by **mike** on Tuesday, April 9, 2013 at 11:33am.

- social science statistics -
**PsyDAG**, Tuesday, April 9, 2013 at 2:36pmZ = (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/probability related to your Z score.

- social science statistics -
**Anonymous**, Wednesday, April 24, 2013 at 2:38pmyes

**Answer this Question**

**Related Questions**

graduate statistics - A nursing professor was curious as to whether the students...

math - in a mathematics class half of the students scored 91 on an achievement ...

math - in a mathematics class, half of the students scored 91 on an achievement ...

math - in a mathematics class, half of the students scored 91 on an achievement ...

stats - Relatively speaking, which statistics exam did you do better on? On ...

statistics - A class test resulted in a mean score of 60% and a standard ...

statistics - The test scores of students in a class test have a mean of 65 and ...

statistics - below is the test scores for students in a statistics class.80,65,...

mean & mode ? - If you were a teacher, and these numbers represented your ...

statistics - A professor is interested in determining whether assigning ...