Question: After the first midterm exam in a statistics class, the instructor surveyed the class to determine the amount of time they spent studying for the

After the first midterm exam in a statistics class, the instructor surveyed the class to determine the amount of time they spent studying for the exam and their grade. She found that a relationship exists. The least square regression line that describes this relationship is: = 5.923 + 56.223 a) Predict the grade for a student who studies 3 hours b) Interpret the slope c) What is the mean grade for students who did not study?

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