WorksheetsBiostatistics 1
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
What is the primary purpose of biostatistics in public health research?
a)
To collect data
b)
To analyze and interpret data
c)
To display data
d)
To store data
2.
Which of the following best describes the scope of biostatistics?
a)
Only clinical trials
b)
Environmental studies
c)
A wide range of health-related studies
d)
Genetic research only
3.
Biostatistics is commonly used in which of the following fields?
a)
Education
b)
Engineering
c)
Healthcare and medicine
d)
Finance
4.
What is the key characteristic of a random sampling method?
a)
Sampling every 10th person
b)
Each member of the population has an equal chance of being selected
c)
Selecting individuals based on specific characteristics
d)
Choosing individuals who are readily available
5.
Which of the following is an example of primary data?
a)
Census data
b)
Survey responses from a new study
c)
Academic journal articles
d)
Government reports
6.
Which of the following is an example of qualitative data?
a)
Weight of a patient in kilograms
b)
Age of students in years
c)
Blood type of a patient
d)
Number of hospital visits
7.
Which of the following is an example of continuous data?
a)
Number of children in a family
b)
Temperature in Celsius
c)
Number of cars in a parking lot
d)
Number of students in a class
8.
Which statistical measure is used to describe the central tendency of a data set?
a)
Standard deviation
b)
Mean
c)
Variance
d)
Range
9.
What is one of the main aims of biostatistics in clinical trials?
a)
To ensure patient confidentiality
b)
To assess the effectiveness of treatments
c)
To promote the pharmaceutical industry
d)
To recruit participants
10.
In epidemiology, biostatistics is used primarily to:
a)
Design studies
b)
Report findings
c)
Analyze the distribution and determinants of diseases
d)
Disseminate health policies
11.
Which of the following best defines biostatistics?
a)
The study of biological processes
b)
The application of statistics to biological and health sciences
c)
The study of chemical reactions in the body
d)
The examination of physical properties of organisms
12.
What is the main advantage of stratified sampling over simple random sampling?
a)
It is easier to perform
b)
It ensures that all subgroups are represented
c)
It requires a smaller sample size
d)
It eliminates bias
13.
Which of the following is an example of secondary data?
a)
A new survey conducted by a researcher
b)
Data collected from an experiment
c)
Data from published research articles
d)
Observations made during fieldwork
14.
Which of the following is an example of quantitative data?
a)
Descriptions of patient symptoms
b)
Blood pressure measurements in mmHg
c)
Patient satisfaction survey responses
d)
Interview transcripts
15.
Which of the following is an example of discrete data?
a)
Height of individuals in centimeters
b)
Number of births in a year
c)
Time taken to complete a task in minutes
d)
Weight of infants at birth
16.
Which branch of biostatistics focuses on the design and analysis of clinical trials?
a)
Descriptive biostatistics
b)
Inferential biostatistics
c)
Experimental biostatistics
d)
Clinical biostatistics
17.
Which sampling method is best for ensuring that every member of a population has an equal chance of being selected?
a)
Convenience sampling
b)
Systematic sampling
c)
Random sampling
d)
Quota sampling
18.
Why is secondary data often used in research?
a)
It is more accurate than primary data
b)
It is easier and less costly to obtain
c)
It is always up-to-date
d)
It is collected by the researcher
19.
Which of the following represents continuous data?
a)
Number of pages in a book
b)
Height of a person in meters
c)
Number of cars in a parking lot
d)
Score in a test
20.
Which of the following best describes discrete data?
a)
It can take any value within a range
b)
It is counted in whole numbers
c)
It is measured on a continuous scale
d)
It is always fractional
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