Thursday

October 2, 2014

October 2, 2014

Posted by **shasha** on Tuesday, May 25, 2010 at 8:39pm.

- stats -
**PsyDAG**, Wednesday, May 26, 2010 at 11:23amZ = (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 that Z score.

**Answer this Question**

**Related Questions**

Algebra - Mitch has 3 tests to study for on Thursday night. He needs to spend ...

British literature - To Daffodils Fair daffodils, we weep to see You haste away...

math - the least common multiple of 3, 6,9 i say 18 Sheila practiced hours ...

Managerial Econ - Chevrolet just announced a new incentive program that provides...

statistics - A survey is being planned to determine the mean amount of time ...

statistics - The duration of time it takes General Motors to build a car is ...

college stats - A study wants to examine the relationship between student ...

Statistics - A survey is being planned to determine the mean amount of time ...

Statistics - A study was conducted in order to estimate u, the mean number of ...

math - two mechanics worked on a car the first mechanic worked for 5 hours and ...