Question: New study techniques are always a hot topic for students because they want to earn the best grades possible. At Smith College, the score on

New study techniques are always a hot topic for students because they want to earn the best grades possible. At Smith College, the score on the midterm exam for all MATH 100 courses is normally distributed with = 75 and = 6.6. A researcher asked 29 students to try a new study technique for the MATH 100 midterm exam and those students had a mean of 77.4.

Does the new technique significantly improve students' grades? Test at = .05

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