Original Sentence: My friend Cody can eat a sandwich faster than any human or animal I have ever seen. New Word:
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Original Sentence: I was so nervous before the big test that I thought I was going to pass out.
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Original Sentence: Aunt Anita amazed us with photos of her thrilling 10-day trip through the rainforest.
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Original Sentence: When the big game ended, our team had been defeated by a score of 54 to 3.
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Original Sentence: My father was angry when my mother threw away the t-shirt he had saved since high school.
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The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.