9.2 Are the proportions of road accidents similar in various highways of Bangladesh? Highways 2 3 4 Total No. of road accidents (O) 50 42 32 82 206

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9.2 Are the proportions of road accidents similar in various highways of Bangladesh?
2
1
|No. of road accidents (O)
Highways
3
4
Total
50
42
32
82
206
9.3 Is there any association between subjects taught and job satisfaction?
Job
Subjects taught (O,j)
Total
satisfaction
ВВА
EEE
CS
CSE
SE
Yes
12
22
87
No
18
32
30
15
25
120
Total
30
54
48
30
45
207
9.4 Are the proportions of female students similar in various departments of AIUB?
Departments
2 3
4
Total
No. of female students (O)
250
450
150
150
1000
Transcribed Image Text:9.2 Are the proportions of road accidents similar in various highways of Bangladesh? 2 1 |No. of road accidents (O) Highways 3 4 Total 50 42 32 82 206 9.3 Is there any association between subjects taught and job satisfaction? Job Subjects taught (O,j) Total satisfaction ВВА EEE CS CSE SE Yes 12 22 87 No 18 32 30 15 25 120 Total 30 54 48 30 45 207 9.4 Are the proportions of female students similar in various departments of AIUB? Departments 2 3 4 Total No. of female students (O) 250 450 150 150 1000
9.10 The information about daily temperature (in °Celsius) of two months are as:
Month 1
Month 2
Do you think that the temperature of both the months are similar?
Ex1 = 1032
Exz = 1035
n = 31
s,²= 1.41
n2 = 30
= 1.09
9.11 Is high blood pressure associated with heart problem?
Heart Problem
Blood Pressure
Yes
No
High
150
120
Not High
122
158
9.12 A group of students are classified by their residential origin and full attention to learning:
Full attention
Residential origin
Total
Yes
No
Rural
138
64
202
Urban
64
84
148
Total
202
148
350
Is there any association between origin and full attention?
Transcribed Image Text:9.10 The information about daily temperature (in °Celsius) of two months are as: Month 1 Month 2 Do you think that the temperature of both the months are similar? Ex1 = 1032 Exz = 1035 n = 31 s,²= 1.41 n2 = 30 = 1.09 9.11 Is high blood pressure associated with heart problem? Heart Problem Blood Pressure Yes No High 150 120 Not High 122 158 9.12 A group of students are classified by their residential origin and full attention to learning: Full attention Residential origin Total Yes No Rural 138 64 202 Urban 64 84 148 Total 202 148 350 Is there any association between origin and full attention?
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