Wednesday

October 22, 2014

October 22, 2014

Posted by **masood** on Thursday, June 3, 2010 at 2:22am.

- statistics -
**PsyDAG**, Thursday, June 3, 2010 at 10:49amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

Since 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.

**Answer this Question**

**Related Questions**

Statistics - A random sample of size 20 from a normal population will sample ...

statistics - In performing a hypothesis test, the null hypothesis is population...

statistics - Given a sample size of 38, with sample mean 660.3 and sample ...

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

Statistics - Kind attention Psydag: A random sample of size 20 from a normal ...

Statistics - This is the first question..... For a population that has a ...

Math (Statistic) - Considered the sampling distribution of a sample mean ...

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

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

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