Wednesday

October 1, 2014

October 1, 2014

Posted by **K** on Saturday, May 22, 2010 at 7:29pm.

- statistics -
**PsyDAG**, Saturday, May 22, 2010 at 10:19pmZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

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.

**Answer this Question**

**Related Questions**

statistics - A sample of 40 observations is selected from one approximately ...

statistics - 7. A sample of 40 observations is selected from one population. The...

Statistics - 8. A sample of 65 observations is selected from one population. The...

stats - A sample of 12 observations is selected from a normal population for ...

Statistics - . A random sample is selected from a normal population with a mean ...

statistics - The scores of students on the ACT college entrance examination in ...

Probabilty & Statistic - A random sample is selected from a normal population ...

Statistics - A 95% confidence interval for a population mean, ?, is given as (18...

STATS - Suppose we are testing the null hypothesis H0: ì = 20 and the ...

gre math prob of a sample - sample standard deviation = 3 sample mean = 68 n=30 ...