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Two groups of students took final exams in statistics. One group attended lectures to prepare for the exam and the other group read the required

Two groups of students took final exams in statistics. One group attended lectures to prepare for the exam and the other group read the required text but never attended lectures. Twenty-two of the 30 members of group one (attended lectures) passed the final exam, while 10 of the 28 members of group two (did not attend lectures) passed the exam.

a.Compare the appropriate percentages to determine if a relationship appears to exist between class attendance and passing the exam.

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