Podcast
Questions and Answers
Which of the following is a characteristic of ratio scale data?
Which of the following is a characteristic of ratio scale data?
- It has a relative zero point and inconsistent intervals
- It has a relative zero point and consistent intervals
- It has a true zero point and inconsistent intervals
- It has a real zero point and consistent intervals (correct)
What type of data are counts of specific events or items according to the text?
What type of data are counts of specific events or items according to the text?
- Discontinuous data (correct)
- Inconsistent data
- Continuous data
- Relative data
What mathematical operations can be performed on ratio scale data due to its true zero point and consistent intervals?
What mathematical operations can be performed on ratio scale data due to its true zero point and consistent intervals?
- Addition and subtraction only
- Addition, multiplication, and division only
- Addition, subtraction, and division only
- Addition, subtraction, multiplication, and division (correct)
Which type of ratio scale data can take any value within a range?
Which type of ratio scale data can take any value within a range?
What is an example each for continuous ratio scale data
What is an example each for continuous ratio scale data
Whats an example each for discontinuous (discrete) ratio scale data
Whats an example each for discontinuous (discrete) ratio scale data
Why is it possible to perform all sorts of mathematical operations on ratio scale data?
Why is it possible to perform all sorts of mathematical operations on ratio scale data?
What does a ‘true zero point’ mean in the context of ratio scale data?
What does a ‘true zero point’ mean in the context of ratio scale data?
What type of mathematical operations can be performed on interval scale data?
What type of mathematical operations can be performed on interval scale data?
Why can't we say that 40°C is 'twice as hot' as 20°C on the Celsius scale?
Why can't we say that 40°C is 'twice as hot' as 20°C on the Celsius scale?
Which temperature scale has a true zero point and consistent intervals, allowing for multiplication and division?
Which temperature scale has a true zero point and consistent intervals, allowing for multiplication and division?
What distinguishes interval scale data from ratio scale data?
What distinguishes interval scale data from ratio scale data?
If absolute zero (the coldest possible temperature) is -273.15°C on the Celsius scale, what does it mean when we say that this type of data lacks a true zero point?
If absolute zero (the coldest possible temperature) is -273.15°C on the Celsius scale, what does it mean when we say that this type of data lacks a true zero point?
Biochemist measures concentration of peptide in mol/L:
Biochemist measures concentration of peptide in mol/L:
Public health official records causes of death:
Public health official records causes of death:
Microbiologist counts number of colonies of bacteria
Microbiologist counts number of colonies of bacteria
A nurse notes the type of rash
A nurse notes the type of rash
What best describes the nature of categorical - nominal data?
What best describes the nature of categorical - nominal data?
What is a characteristic of categorical - nominal data?
What is a characteristic of categorical - nominal data?
Why is it important to remember that categorical - nominal data lacks a true mathematical relationship?
Why is it important to remember that categorical - nominal data lacks a true mathematical relationship?
What distinguishes categorical - nominal data from ratio scale data?
What distinguishes categorical - nominal data from ratio scale data?
What is an example of ordinal data?
What is an example of ordinal data?
Define ordinal data
Define ordinal data
Ordinal data is not linear
Ordinal data is not linear
Flashcards
Ratio Scale Data
Ratio Scale Data
Data with a real zero point and consistent intervals.
Discontinuous Data
Discontinuous Data
Counts of specific, separate items or events.
Math Operations on Ratio Data
Math Operations on Ratio Data
Addition, subtraction, multiplication, and division.
Continuous Ratio Scale Data
Continuous Ratio Scale Data
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Why use all math operations on ratio scale data?
Why use all math operations on ratio scale data?
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True Zero Point
True Zero Point
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Math Operations on Interval Data
Math Operations on Interval Data
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Celsius Scale
Celsius Scale
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Kelvin Scale
Kelvin Scale
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Interval vs. Ratio Data
Interval vs. Ratio Data
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Lack of True Zero Point
Lack of True Zero Point
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Categorical - Nominal Data
Categorical - Nominal Data
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Numerical Values in Nominal data
Numerical Values in Nominal data
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Importance of Nominal Data
Importance of Nominal Data
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Categorical vs. Ratio Scale Data
Categorical vs. Ratio Scale Data
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Define ordinal data
Define ordinal data
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Ordinal data is not linear
Ordinal data is not linear
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