In Africa in 2011, the number of deaths of a female from cardiovascular disease for different age groups are in the table below ("Global health observatory," 2013). In addition, the proportion of deaths of females from all causes for the same age groups are also in table below. Table: Deaths of Females for Different Age Groups Age 5-14 15-29 30-49 50-69 Total Cardiovascular Frequency 8 16 56 433 513 All Cause Proportion 0.10 0.12 0.26 0.52 Do the data show that the death from cardiovascular disease are in the same proportion as all deaths for the different age groups? Test at the 5% level. (i) Which of the following statements correctly defines the null hypothesis HO? A. Deaths from cardiovascular disease in females are not in the same proportion as all deaths for the different age groups B. Deaths from cardiovascular disease in females are in the same proportion as all deaths for the different age groups C. neither of these statements is correct for HO Enter letter corresponding to correct answer (ii) Which of the following statements correctly defines the alternative hypothesis HA? A. Deaths from cardiovascular disease in females are in the same proportion as all deaths for the different age groups B. Deaths from cardiovascular disease in females are not in the same proportion as all deaths for the different age groups C. neither of these statements is correct for HA Enter letter corresponding to correct answer (iii) Enter the level of significance α used for this test: Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 0.1
9a
In Africa in 2011, the number of deaths of a female from cardiovascular disease for different age groups are in the table below ("Global health observatory," 2013). In addition, the proportion of deaths of females from all causes for the same age groups are also in table below.
Table: Deaths of Females for Different Age Groups
|
Age |
5-14 |
15-29 |
30-49 |
50-69 |
Total |
|
Cardiovascular Frequency |
8 |
16 |
56 |
433 |
513 |
|
All Cause Proportion |
0.10 |
0.12 |
0.26 |
0.52 |
|
Do the data show that the death from cardiovascular disease are in the same proportion as all deaths for the different age groups? Test at the 5% level.
(i) Which of the following statements correctly defines the null hypothesis HO?
A. Deaths from cardiovascular disease in females are not in the same proportion as all deaths for the different age groups
B. Deaths from cardiovascular disease in females are in the same proportion as all deaths for the different age groups
C. neither of these statements is correct for HO
Enter letter corresponding to correct answer
(ii) Which of the following statements correctly defines the alternative hypothesis HA?
A. Deaths from cardiovascular disease in females are in the same proportion as all deaths for the different age groups
B. Deaths from cardiovascular disease in females are not in the same proportion as all deaths for the different age groups
C. neither of these statements is correct for HA
Enter letter corresponding to correct answer
(iii) Enter the level of significance α used for this test:
Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 0.10
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