Question: At St. Algebra College, the math department created some special sections of the freshman math course that used a variety of innovative teaching techniques. Students

At St. Algebra College, the math department created some special sections of the freshman math course that used a variety of innovative teaching techniques. Students were randomly assigned to either the traditional sections or the experimental sections, and all students were given the same fi nal exam. The results of the fi nal are summarized below. What was the effect of the experimental course?

Traditional Experimental

X = 77.8

X = 76.8 s = 12.3 s = 6.2 N = 478 N = 465

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