[Solved] Based on the data from six students, the regression equation relating the number of hours of preparations (x) and test score (y) is y#770;=67.3+1.07x
Question: Based on the data from six students, the regression equation relating the number of hours of preparations (x) and test score (y) is \[\hat{y}=67.3+1.07x\] . The same data yield a n r = 0.224 and a \[\bar{y}=75.2.\] What is the best predicted test score for a student who spent 3 hours preparing for the test? Think before acting on this problem. Remember the temperature is the independent variable.
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