The accompanying data file shows monthly stock prices (in $) for Corporation A and Corporation B over the past five years. Click here for the Excel Data File a-1. Calculate the mean and the standard deviation for Corporation A. Note: Round final answers to 2 decimal places. Mean Standard deviation a-2. Calculate the mean and the standard deviation for Corporation B. Note: Round final answers to 2 decimal places. Mean Standard deviation b. Which corporation had the higher average stock price over the time period? Which corporation's stock price had greater dispersion as measured by the standard deviation? had the higher average stock price and Corporation A's Corporation B's stock price had greater dispersion.
The accompanying data file shows monthly stock prices (in $) for Corporation A and Corporation B over the past five years. Click here for the Excel Data File a-1. Calculate the mean and the standard deviation for Corporation A. Note: Round final answers to 2 decimal places. Mean Standard deviation a-2. Calculate the mean and the standard deviation for Corporation B. Note: Round final answers to 2 decimal places. Mean Standard deviation b. Which corporation had the higher average stock price over the time period? Which corporation's stock price had greater dispersion as measured by the standard deviation? had the higher average stock price and Corporation A's Corporation B's stock price had greater dispersion.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:A
B
C
D
E
F
G
H
1
Date
A
B
2
1/1/14
41.56
32.12
3
2/1/14
47.77
31.69
4
3/1/14
46.31
33.83
5
4/1/14
41.16
33.07
6
5/1/14
40.63
33.62
7
6/1/14
43.02
35.64
8
7/1/14
40.43
36.08
9
8/1/14
40.09
34.93
10
9/1/14
41.18
34.49
11
10/1/14
41.87
35.40
12
11/1/14
44.34
38.09
13
12/1/14
39.08
38.97
14
1/1/15
43.51
40.13
15
2/1/15
44.51
42.66
16
3/1/15
44.21
44.06
17
4/1/15
49.75
46.49
18
5/1/15
50.53
48.95
19
6/1/15
50.53
49.74
20
7/1/15
50.45
54.84
21
8/1/15
49.07
52.71
22
9/1/15
45.45
52.83
23
10/1/15
38.40
58.07
24
11/1/15
41.20
57.17
25
12/1/15
40.48
56.25
26
1/1/16
37.73
58.10
27
2/1/16
44.46
54.38
28
3/1/16
44.27
56.47
29
4/1/16
45.13
53.25
30
5/1/16
42.15
51.12
31
6/1/16
41.72
53.94
32
7/1/16
43.88
55.51
33
8/1/16
46.71
53.64
34
9/1/16
50.39
50.71
35
10/1/16
47.49
50.69
36
11/1/16
51.85
55.91
37
12/1/16
51.96
53.79
38
1/1/17
50.05
52.16
39
2/1/17
52.82
54.35
40
3/1/17
52.72
56.84
41
4/1/17
53.88
57.36
42
5/1/17
57.02
60.72
43
6/1/17
53.26
57.19
44
7/1/17
52.37
51.86
45
8/1/17
50.96
52.39
46
9/1/17
52.91
52.68
47
10/1/17
58.54
52.38
48
11/1/17
58.33
56.20
49
12/1/17
64.38
55.95
50
1/1/18
65.20
56.17
51
2/1/18
60.38
55.10
52
3/1/18
59.12
56.15
53
4/1/18
61.61
55.75
54
5/1/18
65.07
54.72
55
6/1/18
69.72
48.02
56
7/1/18
70.87
52.58
57
8/1/18
73.41
52.74
58
9/1/18
74.33
57.52
59
10/1/18
73.97
57.92
60
11/1/18
74.62
67.32
61
12/1/18
65.62
64.56
62
Transcribed Image Text:The accompanying data file shows monthly stock prices (in $) for Corporation A and Corporation B over the past five years.
Click here for the Excel Data File
a-1. Calculate the mean and the standard deviation for Corporation A.
Note: Round final answers to 2 decimal places.
Mean
Standard deviation
a-2. Calculate the mean and the standard deviation for Corporation B.
Note: Round final answers to 2 decimal places.
Mean
Standard deviation
b. Which corporation had the higher average stock price over the time period? Which corporation's stock price had greater dispersion
as measured by the standard deviation?
had the higher average stock price and
Corporation A's
Corporation B's
stock price had greater dispersion.
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