classification system biology and continuous and discontinuous variables Flashcards
(26 cards)
What is a classification system?
A classification system is a method of organizing items or concepts into categories based on shared characteristics.
True or False: Continuous variables can take on any value within a given range.
True
Fill in the blank: Discontinuous variables are also known as __________ variables.
categorical
What type of variable is height considered?
Continuous variable
Which of the following is an example of a discontinuous variable? A) Age B) Blood type C) Temperature
B) Blood type
Define continuous variable.
A continuous variable is a variable that can take an infinite number of values within a specified range.
What is an example of a continuous variable?
Weight
Carl Linnaeus developed a system for classifying living organisms for easy identification.
Name 2 kingdoms under this classification
Monera
Plant
Fungi
Animals
Protists
What distinguishes continuous variables from discontinuous variables?
Continuous variables can take on any value, while discontinuous variables can only take on specific, separate values.
Fill in the blank: The variable type that includes categories such as ‘yes’ or ‘no’ is called __________.
discontinuous variable
What type of data does a continuous variable represent?
Quantitative data
Multiple choice: Which of the following is NOT a characteristic of continuous variables? A) Infinite values B) Measurable C) Fixed categories
C) Fixed categories
What is the primary use of classification systems?
To organize data and facilitate analysis.
True or False: A variable can be both continuous and discontinuous.
False
What is an example of a categorical variable?
Marital status
Define discontinuous variable.
A discontinuous variable is a variable that can take on a limited or finite number of values.
Which type of variable is often used for statistical analysis: continuous or discontinuous?
Continuous variable
Fill in the blank: __________ variables are typically used in surveys with options like ‘agree’ or ‘disagree’.
Discontinuous
What is the significance of understanding variable types in research?
It helps in selecting appropriate statistical methods for data analysis.
Multiple choice: Which of the following is a continuous variable? A) Number of students B) Temperature C) Gender
B) Temperature
True or False: Continuous variables can be converted into categorical variables.
True
What is the impact of using a classification system in data analysis?
It allows for better organization, interpretation, and communication of data.
What kind of variable is ‘number of pets owned’ considered?
Discontinuous variable
Fill in the blank: __________ data is often collected using continuous variables.
Quantitative
