Statistics for Analytical Decisions and Probability Computation

Statistics for Analytical Decisions
Statistical Analysis Paper
Student’s Name
Institution Affiliation

Statistics for Analytical Decisions
Question One
Data; from Australia stock market
a. Tables of the quarterly opening price values of CSR and the other for SFR
CSR Limited
Opening Price
Beginning of Yearly
Quarter
2008 200
9
201
0
201
1
2012 2013 2014 2015 2016 2017
January 22.1 4.42 7.84 5.37 53.3
1
52.9
5
62.0
4
49.3 29.8
2
36.8
2
April 18 3.9 7.74 4.67 52.2 49.3
2
66.4
3
37.7
4
33.6
5
37.7
July 13.3
8
7.38 4.57 5.28 47.6
3
45.3
7
63.7 38.8
3
32.8
1
37.7
2
October 14 7.15 5.6 6.4 52.7
1
58.2 44.7
7
30.0
5
41.2
8
48.3
9
SFR Limited
Opening Price
Beginning of Yearly
Quarter
200
8
2009 201
0
201
1
2012 2013 2014 2015 2016 2017
January 37.4
6
31.4
2
52.8
3
57.5
7
57.2
8
115.7
5
122.4
1
131.8
6
139.2
3
144.4
5
April 34.6
6
28.5
2
51.9
9
59.5
8
71.1
6
138.6
9
123.4
2
136.1
1
148.7
8
173.1
3
July 34.2
9
39.3
5
45.5
4
59.4 78.8
8
113.4
6
127.5
7
141.8
5
159.3
4
207.5
October 31.2
1
42.7
3
47.4
7
49.2 88.2
7
109.4
9
127.8
7
152.5 146.6
8
191.7

Statistics for Analytical Decisions
Stem and leaf display
CSR Stem-and-Leaf Plot
Frequency Stem & Leaf
12.00 0 . 344455567777
3.00 1 . 348
2.00 2 . 29
8.00 3 . 02367778
7.00 4 . 1457899
5.00 5 . 22238
3.00 6 . 236
Stem width: 10.00
Each leaf: 1 case(s)
SFR Stem-and-Leaf Plot
Frequency Stem & Leaf
11.00 0 . 23333334444
9.00 0 . 555555778
15.00 1 . 011222233334444
4.00 1 . 5579
1.00 2 . 0
Stem width: 100.00
Each leaf: 1 case(s)

Statistics for Analytical Decisions
b. Histograms

Statistics for Analytical Decisions
c. Bar chart of total market capital for other 6 companies listed in ASX.
Adelaide
Brighton
Limited
Alumina
Limited Amcor
Limited Bluescope
Steel
Limited
Boral
Limited Fortescue
Metals
Group LTD
0
2,000,000,000
4,000,000,000
6,000,000,000
8,000,000,000
10,000,000,000
12,000,000,000
14,000,000,000
16,000,000,000
18,000,000,000
20,000,000,000
d. Advice
From the trends displayed in the graph CSR shares are a viable investment, since its yield
is associated with lower risk (standard deviation, 20.49) that of SFR shares ( standard
deviation, 51.37)

Statistics for Analytical Decisions
Question Two
Data: The prices of apartments with 2 bedrooms and 2 bathrooms sold between January and July
of 2018 in Australian state capital city centers.
a. Computation of Mean, Median, first Quartile and third Quartile of sold price for each
city. These were statistics were computed on SPSS
Statistics
Melbourne Brisbane Adelaide Perth Hobart Sydney
N Valid 41 38 14 18 5 19
Missing 0 3 27 23 36 22
Mean 733.171 572.05 650.143 506.83 737.00 1778.11
Median 650.000 518.50 605.000 480.00 730.00 1810.00
Percentiles
25 600.000 448.75 518.750 440.00 626.00 1190.00
50 650.000 518.50 605.000 480.00 730.00 1810.00
75 795.500 650.00 699.500 537.50 851.50 2300.00
b. Computation of Standard deviation, Mean absolute deviation and range of sold price for
each city. These were statistics were computed on SPSS
Statistics
Melbourne Brisbane Adelaide Perth Hobart Sydney
N Valid 41 38 14 18 5 19
Missing 0 3 27 23 36 22
Std. Deviation 240.4076 173.076 247.8296 103.290 116.831 674.212
Range 1197.0 665 1055.0 450 278 2740
The means in the table below are the means absolute deviations of the sold price for each
city. These were statistics were computed on SPSS