Posted by **Anonymous** on Sunday, May 23, 2010 at 9:54pm.

A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean high degrees of approval of one's social role). The results are as follows:

Ethnic Group A: N = 15 M= 55 S2 = 6.5 Ethnic Group B : N = 23 M= 51 S2 = 4.5

If you conduct a t test for independent means, how many degrees of freedom are in the t distribution

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