School

George Mason University **We aren't endorsed by this school

Course

STAT 250

Subject

Statistics

Date

Aug 25, 2023

Pages

15

Uploaded by hungnguyen090600 on coursehero.com

1
Hung Nguyen
STAT 250 - B01
Data Analysis Assignment #1
Problem 1: Car Brand and Highest Degree Obtained
a)
Car Brand
FrequencyPercent of Total
BMW
81
8.1
Chevrolet
106
10.6
Ford
114
11.4
Honda
115
11.5
Jeep
112
11.2
Mercedes-Benz
75
7.5
Nissan
111
11.1
Porsche
56
5.6
Subaru
103
10.3
Toyota
127
12.7
b) The car brand with the largest percentage is Toyota with 12.7%. The car brand with the
smallest percentage is Porsche with 5.6%.
c)
BachelorGraduateHigh SchoolJunior collegeLess than HS
Total
BMW
46
(4.6%)
17
(1.7%)
8
(0.8%)
5
(0.5%)
5
(0.5%)
81
(8.1%)
Chevrolet
42
(4.2%)
10
(1%)
31
(3.1%)
8
(0.8%)
15
(1.5%)
106
(10.6%)
Ford
52
(5.2%)
12
(1.2%)
31
(3.1%)
7
(0.7%)
12
(1.2%)
114
(11.4%)
Honda
50
(5%)
18
(1.8%)
24
(2.4%)
10
(1%)
13
(1.3%)
115
(11.5%)
Jeep
48
(4.8%)
14
(1.4%)
28
(2.8%)
8
(0.8%)
14
(1.4%)
112
(11.2%)
Mercedes-Benz
43
(4.3%)
15
(1.5%)
8
(0.8%)
4
(0.4%)
5
(0.5%)
75
(7.5%)
Nissan
58
(5.8%)
12
(1.2%)
23
(2.3%)
6
(0.6%)
12
(1.2%)
111
(11.1%)
Porsche
29
(2.9%)
20
(2%)
4
(0.4%)
0
(0%)
3
(0.3%)
56
(5.6%)
Subaru
43
(4.3%)
14
(1.4%)
23
(2.3%)
8
(0.8%)
15
(1.5%)
103
(10.3%)
Toyota
53
(5.3%)
14
(1.4%)
34
(3.4%)
14
(1.4%)
12
(1.2%)
127
(12.7%)

2
BachelorGraduateHigh SchoolJunior collegeLess than HS
Total
Total
464
(46.4%)
146
(14.6%)
214
(21.4%)
70
(7%)
106
(10.6%)
1000
(100%)
d) The total column from the two-way table matches the frequency column and the percentage of
total column from the one-way table.
e) There is the total of 111 people work in Nissan in which 58 (5.8%) people have a Bachelor
degree, 12 (1.2%) people have Graduate degree, 23 (2.3%) people have High School degree, 6
(0.6%) people are Junior college, and 12 (1.2%) people are below High School. The total of
people who work for Nissan represent 11.1% out of 1000 individuals.
There is the total of 464 people who have a Bachelor degree which 46 (4.6%) people work for
BMW out of 81, 42 (4.2%) people work for Chevrolet out of 106, 52 (5.2%) people work for
Ford out of 114, 50 (5%) people work for Honda out of 115, 48 (4.8%) people work for Jeep out
of 112, 43 (4.3%) people work for Mercedes-Benz out of 75, 58 (5.8%) people work for Nissan
out of 111, 29 (2.9%) people work for Porsche out of 56, 43 (4.3%) people work for Subaru out
of 103, and 53 (5.3%) people work for Toyota out of 107. The total of people who have a
Bachelor represent 46.4% out of 1000 individuals.
f)
BachelorGraduateHigh SchoolJunior collegeLess than HS
Total
BMW
46
(56.79%)
(9.91%)
(4.6%)
17
(20.99%)
(11.64%)
(1.7%)
8
(9.88%)
(3.74%)
(0.8%)
5
(6.17%)
(7.14%)
(0.5%)
5
(6.17%)
(4.72%)
(0.5%)
81
(100%)
(8.1%)
(8.1%)
Chevrolet
42
(39.62%)
(9.05%)
(4.2%)
10
(9.43%)
(6.85%)
(1%)
31
(29.25%)
(14.49%)
(3.1%)
8
(7.55%)
(11.43%)
(0.8%)
15
(14.15%)
(14.15%)
(1.5%)
106
(100%)
(10.6%)
(10.6%)
Ford
52
(45.61%)
(11.21%)
(5.2%)
12
(10.53%)
(8.22%)
(1.2%)
31
(27.19%)
(14.49%)
(3.1%)
7
(6.14%)
(10%)
(0.7%)
12
(10.53%)
(11.32%)
(1.2%)
114
(100%)
(11.4%)
(11.4%)
Honda
50
(43.48%)
(10.78%)
(5%)
18
(15.65%)
(12.33%)
(1.8%)
24
(20.87%)
(11.21%)
(2.4%)
10
(8.7%)
(14.29%)
(1%)
13
(11.3%)
(12.26%)
(1.3%)
115
(100%)
(11.5%)
(11.5%)
Jeep
48
(42.86%)
(10.34%)
(4.8%)
14
(12.5%)
(9.59%)
(1.4%)
28
(25%)
(13.08%)
(2.8%)
8
(7.14%)
(11.43%)
(0.8%)
14
(12.5%)
(13.21%)
(1.4%)
112
(100%)
(11.2%)
(11.2%)
Mercedes-Benz
43
(57.33%)
(9.27%)
15
(20%)
(10.27%)
8
(10.67%)
(3.74%)
4
(5.33%)
(5.71%)
5
(6.67%)
(4.72%)
75
(100%)
(7.5%)

3
BachelorGraduateHigh SchoolJunior collegeLess than HS
Total
(4.3%)
(1.5%)
(0.8%)
(0.4%)
(0.5%)
(7.5%)
Nissan
58
(52.25%)
(12.5%)
(5.8%)
12
(10.81%)
(8.22%)
(1.2%)
23
(20.72%)
(10.75%)
(2.3%)
6
(5.41%)
(8.57%)
(0.6%)
12
(10.81%)
(11.32%)
(1.2%)
111
(100%)
(11.1%)
(11.1%)
Porsche
29
(51.79%)
(6.25%)
(2.9%)
20
(35.71%)
(13.7%)
(2%)
4
(7.14%)
(1.87%)
(0.4%)
0
(0%)
(0%)
(0%)
3
(5.36%)
(2.83%)
(0.3%)
56
(100%)
(5.6%)
(5.6%)
Subaru
43
(41.75%)
(9.27%)
(4.3%)
14
(13.59%)
(9.59%)
(1.4%)
23
(22.33%)
(10.75%)
(2.3%)
8
(7.77%)
(11.43%)
(0.8%)
15
(14.56%)
(14.15%)
(1.5%)
103
(100%)
(10.3%)
(10.3%)
Toyota
53
(41.73%)
(11.42%)
(5.3%)
14
(11.02%)
(9.59%)
(1.4%)
34
(26.77%)
(15.89%)
(3.4%)
14
(11.02%)
(20%)
(1.4%)
12
(9.45%)
(11.32%)
(1.2%)
127
(100%)
(12.7%)
(12.7%)
Total
464
(46.4%)
(100%)
(46.4%)
146
(14.6%)
(100%)
(14.6%)
214
(21.4%)
(100%)
(21.4%)
70
(7%)
(100%)
(7%)
106
(10.6%)
(100%)
(10.6%)
1000
(100%)
(100%)
(100%)
g) There is a total of 111 (100%) who work in Nissan which 58 (52.25%) people have a Bachelor
degree, 12 (10.81%) people have a Graduate degree, 23 (20.72%) people have High School
degree, 6 (5.41%) people are Junior college, and 12 (10.81%) people are below High School.
There is the total of 464 people who have a Bachelor degree which 46 (56.79%) people work for
BMW out of 81 total, 42 (39.62%) people work for Chevrolet out of 106 total, 52 (45.61%)
people work for Ford out of 114 total, 50 (43.48%) people work for Honda out of 115 total, 48
(42.86%) people work for Jeep out of 112 total, 43 (57.33%) people work for Mercedes-Benz out
of 75 total, 58 (52.25%) people work for Nissan out of 111 total, 29 (51.79%) people work for
Porsche out of 56 total, 43 (41.75%) people work for Subaru out of 103 total, and 53 (41.73%)
people work for Toyota out of 127 total. The total of people who have a Bachelor represent
46.4% out of 1000 individuals.
h) There is a total of 111 people who work in Nissan which 58 (12.5%) people have Bachelor
degree out of 464, 12 (8.22%) people have Graduate degree out of 146 total, 23 (10.75%) people
have High School degree out of 214 total, 6 (8.57%) people are Junior college out of 70total, and
12 (11.32%) people are below High School out of 106 total. The total of people who work for
Nissan represent 11.1% out of 1000 individuals.
There is the total of 464 (100%) people who have a Bachelor degree which 46 (9.91%) people
work for BMW out of 81, 42 (9.05%) people work for Chevrolet out of 106, 52 (11.21%) people

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