Saturday

August 30, 2014

August 30, 2014

Posted by **Eric** on Monday, June 6, 2011 at 11:12am.

- statistics -
**PsyDAG**, Monday, June 6, 2011 at 11:30amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

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 that Z score.

**Related Questions**

statistics - Employees in a large computer firm claim that the mean salary of ...

Statistics - Employees in a large computer firm claim that the mean salary of ...

Statistics - The average annual salary of employees at Wintertime Sports was $28...

statistics - the mean annual salary for employees at a company is 36,000. at the...

12th grade - Firm A offer 40,000 salary with $2,000 increase evey year. FIRM B ...

Math - The mean salary of the female employees of one company is $29,525. The ...

statistics - According to Advertising Age, the average base salary for women ...

statistics - In a certain region, the mean annual salary for plumbers is $51,000...

statistics - A management consultant has analysed a random sample of 40 large ...

Logarithm Function - Chels is a recent business grad and has been offered entry ...