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MATLAB: An Introduction with Applications

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Online Trailer Views (millions)	Opening Weekend Box Office Gross ($millions)		Online Trailer Views (millions)	Opening Weekend Box Office Gross ($millions)
58.485	31.963		3.169	1.611
10.539	2.563		32.824	63.843
7.290	6.615		4.267	13.376
11.117	20.214		42.382	86.251
83.747	102.996		4.989	4.690
32.036	60.081		6.630	33.377
21.858	19.098		0.942	3.705
6.362	9.752		2.258	1.513
1.984	9.872		11.327	18.470
47.499	35.661		8.966	12.202
5.433	21.575		15.177	4.357
27.396	18.002		13.714	30.436
2.141	2.859		31.231	53.003
57.337	150.198		52.612	46.607
7.918	11.225		16.235	13.003
8.372	6.775		6.884	3.776
9.117	0.427		11.698	18.223
1.888	5.706		2.827	3.471
2.883	3.998		23.075	13.602
5.211	6.737		12.606	40.011
8.713	4.086		0.826	1.385
5.992	1.850		27.536	20.130
31.291	101.823		7.273	3.404
0.980	6.839		3.323	1.207
1.596	11.586		4.267	10.951
7.661	10.384		3.790	8.344
49.309	53.397		7.597	11.614
3.261	4.477		12.912	13.501
31.401	21.453		7.067	5.106
4.134	9.864		5.020	1.985
14.218	11.000		7.739	22.800
56.984	36.544		16.795	13.689
82.990	177.863		7.643	2.080

A box office analyst seeks to predict opening weekend box office gross for movies. Toward this goal, the analyst plans to use
online trailer views as a predictor. For each of the 66 movies, the number of online trailer views from the release of the trailer
through the Saturday before a movie opens and the opening weekend box office gross (in millions of dollars) are collected and
stored in the accompanying table. The simple linear regression equation for these data is Ŷ = -0.559 +1.422X₁. A movie, about to
be released, has 45 million online trailer views. Complete parts (a) through (c) below.
Click the icon to view the data on online trailer views and opening weekend box office gross.
a. What is the predicted weekend box office gross?
Yx=45 = $ million
(Round to three decimal places as needed.)

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