Monday

April 21, 2014

April 21, 2014

Posted by **maddy** on Saturday, October 6, 2012 at 8:39pm.

- statistics -
**MathGuru**, Monday, October 8, 2012 at 6:08pmDegrees of freedom for unequal sample sizes and unequal variances =

(s1^2/n1 + s2^2/n2)^2

-----------------------------

(s1^2/n1)^2/(n1-1) + (s2^2/n2)^2/(n2-1)

Note: ^2 means squared.

**Related Questions**

statistics - Lorraine was in a hurry when she computed a confidence interval for...

math-test statistic - If we have a sample of 12 drawn from a normal population, ...

statistics - Lorraine was in a hurry when she computed a confidence interval for...

statistics - what is the critical value t that satisfies the condition that the ...

stat - Which of the following statements is true about the t-distribution with k...

statistics question - if i have x^2 = 15.505 and 9 degrees of freedom and a ...

statistics - A machine is designed to fill jars with 16 ounces of coffee. A ...

English - I need help on my essay outline. How could I break down my sub-topic: ...

STATISTICS QUESTION - if i have x^2 = 20.303 with 9 degrees of freedom and a ...

statistics - Suppose we take a random sample of size n from a normal population ...