a. Compute the covariance between (a) first weekend gross and national gross, (b

Question

a. Compute the covariance between (a) first weekend gross and national gross, (b)first weekend gross and worldwide gross, and (c)national gross and worldwide gross.

b. Compute the coefficient of correlation between (a) first weekend gross and national gross, (b)first weekend gross and worldwide gross, and (c)national gross and worldwide gross.

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 Click the icon to view the gross receipts of the six movies and worldwide gross, and national gross and worldwide gross Gross receipts of six movies First Weekend National Worldwide Title Movie A 90.499 317.051 976.141 Movie B Movie C 93.242 249.731 795.471 Movie D 102.405 290.985 896.283 Movie E Movie F Gross Gross 88.191 261.581 878.049 77.211 292.368 938.475 77.985301.581 934.606 eekend gross and worldwide gross, and national gross and worldwide Print Done (Round to three decimal places as needed.)

Explanation / Answer

a)

b)

first weekend national gross worldwide gross first weekend 76.26252258 national gross -44.90636725 530.4740053 worldwide gross -196.9912396 1244.280727 3306.166995

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