Saturday

February 28, 2015

February 28, 2015

Posted by **Anonymous** on Wednesday, October 6, 2010 at 9:37am.

Male GPA’s Female GPA’s

Sample Size 12 13

Sample Mean 2.8 4.95

Sample Standard Dev .25 .8

- statistics -
**PsyDAG**, Wednesday, October 6, 2010 at 11:43amZ = (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 - The mean GPA (grade point averagE. of all male students at a ...

Biometrics - If these samples were drawn from a population with mean male weight...

statistics - 2. A teacher wants to investigate whether there is a difference ...

statistics - 2. A teacher wants to investigate whether there is a difference ...

statistics - 2) Two individuals are running for mayor of Tallahassee. You ...

Sta - It is pretty common across most schools to find the grades at the MBA ...

math - Q1.A cooperative store is interested in knowing whether there is any ...

STATISTICS - A teacher wants to investigate whether there is a difference ...

Statistics - MBA_GPA BS GPA 2.82 3.05 3.49 3.45 3.28 3.5 3.25 3.55 3.26 3.3 2.87...

Statistics Help - Six candidates for a new position of vice-president for ...