Question: A simple random sample of=30college students was selected to participate in an intensive Spanish language program. At the beginning of the program, the students were

A simple random sample of=30college students was selected to participate in an intensive Spanish language program. At the beginning of the program, the students were given a foreign language comprehension test. After 15 weeks of immersion in Spanish, the students took the test again. The results are summarized in thetable.

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