Concept explainers
Finding the Best Model. In Exercises 5-16, construct a
9. Harry Potter Listed below are the amounts (millions of dollars) grossed during the first three weeks of the movie Harry Potter and tire Half Blood Prince. Use the best model to predict the gross amount on the 22nd day of the movie’s release. Is the result dose to the actual amount of $2.2 million? Is there any characteristic of the data not revealed by the model? (Hint: The movie opened on a Wednesday.)
58.2 | 22.0 | 26.8 | 29.2 | 21.8 | 9.9 | 9.5 | 7.5 | 6.9 | 9.3 | |
11.2 | 8.9 | 4.0 | 4.0 | 4.6 | 3.8 | 5.4 | 6.8 | 5.8 | 2.5 | 2.4 |
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