Exercise 1
A Saudi hospital investigated the possible ways of defining Hypertension in a local population.
The collected data are the following:
Females n1= 739
Males n2= 1257
Sample proportion = 16 females
Sample proportion = 22 males
a) What is the proportion of females with hypertension?
b) What is the proportion of males with hypertension?
c) What is the proportion of patients suffering from hypertension?
Exercise 2
A group of students in a biostatistics class were asked to rate how fearful they were of exams, using a scale from 0 (absolutely no fear) to 10 (extreme fear). Here are the data:
|
Exam Phobia level |
Frequency |
|
|
|
5 |
1 |
|
7 |
2 |
|
|
10 |
1 |
|
|
Total |
4 |
|
|
|
||
For these 4 scores, compute the mean, median, mode, range, sample variance, and sample standard deviation.
|
|
Y |
(Y-M) |
(Y-M)2 |
|
|
5 |
-2.25 |
5.0625 |
|
|
7 |
-0.25 |
.0625 |
|
|
7 |
-0.25 |
.0625 |
|
|
10 |
2.75 |
7.5625 |
Exercise 3:
Create a PowerPoint presentation with 3-5 slides explaining a biostatistics concept of your choice (from the chapters 1 to 10)
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