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...

Extracted 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


Extracted 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?