Biostat M3 and M4
Presentation
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Biology
•
University
•
Easy
Michaella Sayo
Used 2+ times
FREE Resource
52 Slides • 23 Questions
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Multiple Choice
Which of the following is NOT one of the four levels of measurement?
Nominal
Ordinal
Interval
Discrete
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Open Ended
Why is it important to understand the different levels of measurement when working with data?
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Multiple Choice
Which scale of measurement is characterized by categories only, with no order or ranking?
Nominal scale
Ordinal scale
Interval scale
Ratio scale
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Multiple Select
Which of the following are examples of ordinal scales?
Socioeconomic status
Class ranking
Likert scale
Hair color
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Fill in the Blanks
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Multiple Choice
What is the main difference between interval and ratio scales?
Ratio scales have a true zero, interval scales do not.
Interval scales have categories only, ratio scales have order.
Interval scales have ranked data, ratio scales do not.
Ratio scales do not have equal intervals, interval scales do.
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Multiple Choice
Based on the table, which scales have equal intervals?
Interval and Ratio
Nominal and Ordinal
Nominal and Interval
Ordinal and Ratio
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Fill in the Blanks
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Open Ended
Explain the difference between demographic analysis and population study.
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Multiple Choice
Which of the following tools is used to measure the absolute number of a population or demographic event?
Count
Ratio
Rate
Ordinal
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23
Multiple Choice
What does the sex ratio represent in demographic studies?
The number of births in a year
The relation of males to females in a population
The frequency of demographic events
The ranking of population groups
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Multiple Choice
Which population measure tool would you use to determine the frequency of new cases of a disease in a population at risk?
Count
Ratio
Rate
Ordinal
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Multiple Select
Which of the following are types of rates used in demographic analysis?
Incidence
Prevalence
Attack Rate
Case-fatality
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Multiple Choice
Which of the following best describes a 'proportion' in population studies?
The frequency of events in an at-risk population
The relation of a subgroup to the entire population
An unchanging number to simplify measures
Events occurring to a cohort observed through time
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Multiple Choice
Which of the following is an example of using a constant in population measures?
Tracking 1,000 newborns for 5 years
Birth rate in 2020
60 females in a class of 100 students
Reporting rates per 100,000 population
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Multiple Select
Select all correct statements about frequency measures.
They measure occurrence of events in populations
They are only used for individual data
Ratio, Proportion, and Rate are types of frequency measures
They do not include rates
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Fill in the Blanks
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Multiple Choice
Why is population data considered essential for planning and policy-making?
Because it helps in understanding population size, structure, and vital events
Because it is required by law
Because it is only used for academic purposes
Because it is collected every year
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Multiple Choice
Which of the following statements about the census is correct?
It is a complete count of the population conducted at regular intervals
It is a survey conducted only in urban areas
It is conducted every year
It only collects economic information
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Fill in the Blanks
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Multiple Select
Which of the following are examples of data collected as institutional records?
School enrollment
Hospital admissions
Employment records
Birth certificates
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Fill in the Blanks
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Open Ended
Reflecting on today's lesson, which level of measurement do you find most applicable to real-world data collection, and why?
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