Question: A history professor wanted to know whether students do better when an exam is open-book versus closed book. He allowed one section of his class

A history professor wanted to know whether students do better when an exam is open-book versus closed book. He allowed one section of his class to take the exam open-book while a second section of the class took the exam closed-book. He used the exam grade as a measure of how well the students did in the test. What type of statistic would you use to analyze the data? A) a paired t-test B) a one-way ANOVA C) a between subjects t test D) a two-way ANOVA

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