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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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65.127
11
,A A
三
Paste
BIU
A1
fx Online Trailer Views (millions)
1
Online Traller Views (millions)
B
Opening Weekend Box Office Gross ($millions)
D
E
F
7.344
6.
81.471
20.368
102.309
65.127
35.286
33.286
20.31
20.31
9
3.361
19.108
3.361
6.808
43.899
19.108
14.689
10
11
10.188
12
33.291
10.078
29.364
13
21.744
14
14.981
2.791
15
3.098
54.473
16
145.569
6.886
17
9.19
13.587
18
10.277
13.933
2 809
2.809
1.291
19
1.723
2.809
20
6.904
2.096
4.881
21
2.956
22
9.237
23
1.158
5.394
24
0.959
30.08
25
97.469
2.333
7.371
26
1.938
15.916
27
9.732
15.248
28
52.745
53.558
29
6.108
6.623
30
33.351
20.095
31
4.928
7.554
32
15.201
16.452
33
59.003
42.452
34
80.598
173.326
35
4.84
2.295
36
33.013
57.38
16.567
37
3.464
38
44.212
86.473
39
4.989
4.69
40
6.63
33.377
41
0.942
3.705
42
2.258
1.513
43
11.327
18.47
44
8.966
12.202
4.357
30.436
45
15.177
46
13.714
47
31.231
53.003
48
52.612
46.607
49
16.235
13.003
3.776
18.223
50
6.884
51
11.698
2.827
3.471
52
13.602
53
23.075
40.011
54
12.606
1.385
55
0.826
20.13
56
27.536
3.404
57
7.273
1.207
3.323
58
10.951
59
4.267
8.344
3.79
60
11.614
7.597
61
13.501
12.912
62
5.106
7.067
63
1.985
5.02
64
22.8
7.739
65
13.689
16.795
66
2.08
7.643
67
Ready
Transcribed Image Text:65.127 11 ,A A 三 Paste BIU A1 fx Online Trailer Views (millions) 1 Online Traller Views (millions) B Opening Weekend Box Office Gross ($millions) D E F 7.344 6. 81.471 20.368 102.309 65.127 35.286 33.286 20.31 20.31 9 3.361 19.108 3.361 6.808 43.899 19.108 14.689 10 11 10.188 12 33.291 10.078 29.364 13 21.744 14 14.981 2.791 15 3.098 54.473 16 145.569 6.886 17 9.19 13.587 18 10.277 13.933 2 809 2.809 1.291 19 1.723 2.809 20 6.904 2.096 4.881 21 2.956 22 9.237 23 1.158 5.394 24 0.959 30.08 25 97.469 2.333 7.371 26 1.938 15.916 27 9.732 15.248 28 52.745 53.558 29 6.108 6.623 30 33.351 20.095 31 4.928 7.554 32 15.201 16.452 33 59.003 42.452 34 80.598 173.326 35 4.84 2.295 36 33.013 57.38 16.567 37 3.464 38 44.212 86.473 39 4.989 4.69 40 6.63 33.377 41 0.942 3.705 42 2.258 1.513 43 11.327 18.47 44 8.966 12.202 4.357 30.436 45 15.177 46 13.714 47 31.231 53.003 48 52.612 46.607 49 16.235 13.003 3.776 18.223 50 6.884 51 11.698 2.827 3.471 52 13.602 53 23.075 40.011 54 12.606 1.385 55 0.826 20.13 56 27.536 3.404 57 7.273 1.207 3.323 58 10.951 59 4.267 8.344 3.79 60 11.614 7.597 61 13.501 12.912 62 5.106 7.067 63 1.985 5.02 64 22.8 7.739 65 13.689 16.795 66 2.08 7.643 67 Ready
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. Complete parts (a) through (e) below.
Click the icon to view the data on online trailer views and opening weekend box office gross.
...
a. Construct a scatter plot. Choose the correct graph below.
A.
В.
D.
100-
200-
100-
200-
0-4
04
100
200
100
200
Trailer Views (mil)
Trailer Views (mil)
Opening Gross ($mil)
Opening Gross ($mil)
b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients bo and b,.
bo
- 0.77
%3D
b1
= 1.40
(Round the value of bo to two decimal places as needed. Round the value of b, to three decimal places as needed.)
Transcribed Image Text: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. Complete parts (a) through (e) below. Click the icon to view the data on online trailer views and opening weekend box office gross. ... a. Construct a scatter plot. Choose the correct graph below. A. В. D. 100- 200- 100- 200- 0-4 04 100 200 100 200 Trailer Views (mil) Trailer Views (mil) Opening Gross ($mil) Opening Gross ($mil) b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients bo and b,. bo - 0.77 %3D b1 = 1.40 (Round the value of bo to two decimal places as needed. Round the value of b, to three decimal places as needed.)
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