health informatics

 

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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