Question
Movie companies need to predict the gross receipts of individual movies after a movie has debuted. The accompanying results are the first weekend gross, the
Movie companies need to predict the gross receipts of individual movies after a movie has debuted. The accompanying results are the first weekend gross, the national gross, and the worldwide gross (in millions of dollars) of six movies. Complete parts (a) through (d) below.
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Part 1
a. Compute the covariance between first weekend gross and national gross, first weekend gross and worldwide gross, and national gross and worldwide gross.
Find the covariance between first weekend gross and national gross.
| Title | First Weekend | National Gross | Worldwide Gross | ||||
|---|---|---|---|---|---|---|---|
| Movie A | 90.70290.702 | 317.642317.642 | 976.276976.276 | ||||
| Movie B | 88.70288.702 | 261.481261.481 | 878.147878.147 | ||||
| Movie C | 93.91793.917 | 249.209249.209 | 795.348795.348 | ||||
| Movie D | 102.933102.933 | 290.326290.326 | 896.138896.138 | ||||
| Movie E | 77.37677.376 | 292.783292.783 | 938.631938.631 | ||||
| Movie F | 77.67277.672 | 301.783301.783 | 934.247934.247 |
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Finite Mathematics and Its Applications
Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair
12th edition
978-0134768588, 9780134437767, 134768582, 134437764, 978-0134768632
