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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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