Thursday
April 24, 2014

Homework Help: statistics

Posted by peter on Thursday, April 29, 2010 at 3:35pm.

(a)Comparison of GPA for randomly chosen college juniors and seniors:
xbar= 3.05, s1 = .20, n1 = 15, xbar2= 3.25, s2 = .30, n2 = 15, = .025, left-tailed test.

calculate
d.f. ____________
Standard error ____________
t-calculated ____________
p-value ____________
t-critical ____________

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