The degrees of freedom on a 3 by 3 chi square are equal to
a. 9
b. 4
c. 3
d. cannot tell from the above information
b
Psychology
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By _____ weeks, the lungs are mature enough to allow successful breathing
A) 18-20 B) 22-24 C) 24-26 D) 26-28
Psychology
Casey finds Dr. Madison's psychology lecture to be boring and uninteresting. Gradually, his muscles relax and drowsiness occurs. This drowsy but wakeful state is associated with which brain waves?
a. alpha b. beta c. theta d. delta
Psychology