Could you answer question 3 parts a, b, and c for me? Thanks.
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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Question
Could you answer question 3 parts a, b, and c for me? Thanks.
Transcribed Image Text:3. A monthly report on the visitors to a math reference website is shown below.
Hour
Pages
1,846
1,362
Megabytes
0.
38.63
1.
26.46
934
19.38
7412
92.41
4
843
17.95
5.
2,109
34.29
920
19.15
7.
1,419
1,168
1,862
1,814
2,956
2,231
1,566
2,037
2,317
27.28
8
22.35
9.
39.88-
10
36.52
11
60.04
12
44.78
13
34.13
14
43.22
15
51.8
16
2,534
2,100
1,720
2,247
2,482
2,556
56.69
17
45.58
18
34.88
19
47.78
20
49.12
21
53.18
22
2,150
45.54
23
1,977
40.89
For each hour of the day from hour 0 to hour 23, the Pages column shows the hourly breakdown
of pages viewed that month. The Megabytes column shows the hourly breakdown of megabytes of
information transferred. This information is what allows visitors to see the pages they visit.
Results from a regression analysis are shown below.
Response Variable: Megabytes
Predictor
Coef
SE Coef
T.
Constant
15.805
2.576
6.13
0.000
Pages
0.011918
0.001056
11.29
0.000
S = 6.37185 R-Sq 85.3% R-Sq(adj) = 84.6%
Transcribed Image Text:23
1,977
40.89
f the day from hour 0 to hour 23, the Pages column shows the hourly breakdown
that month. The Megabytes column shows the hourly breakdown of megabytes of
nsferred. This information is what allows visitors to see the
pages they visit.
egression analysis are shown below.
ariable: Megabytes
or
Coef
SE Coef
T.
nt
15.805
2.576
6.13
0.000
es
0.011918
0.001056
11.29
0,000
S = 6.37185 R-Sq 85.3% R-Sq(adj) = 84.6%
GO ON TO THE NEXT PAGE
PART FOUR: PRACTICE TESTS
415
PRACTICE TEST 2
(a) Find the residual for hour 12.
(b) What is the intercept of the least-squares regression line? Interpret this intercept in the given context.
(c) Find and interpret the value of the correlation coefficient.
O
W
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