Understanding Data and Research Variables

Which of the following is an example of qualitative data?

• The height of students in centimeters

• The color of cars in a parking lot

• The number of books on a shelf

• The temperature in degrees Celsius

Which type of variable can take on any value within a given range?

• Discrete variable

• Continuous variable

• Nominal variable

• Ordinal variable

Which of the following is a nominal variable?

• Age in years

• Blood type (A, B, AB, O)

• Number of siblings

• Test scores

What type of data is represented by the following: "Strongly Agree, Agree, Neutral, Disagree, Strongly Disagree"?

• Nominal

• Ordinal

• Interval

• Ratio

Which of the following is a ratio variable?

• Temperature in Celsius

• Number of students in a class

• Ranking in a competition

• Eye color

In an experiment, the variable that is manipulated by the researcher is called the:

• Dependent variable

• Independent variable

• Confounding variable

• Control variable

Tags

NGSS.MS-PS2-2

Which of the following best describes a dependent variable?

• It is controlled by the researcher

• It is the outcome measured in an experiment

• It is always a qualitative variable

• It is not affected by other variables

• Continuous data

• Discrete data

• Ordinal data

• Nominal data

Which of the following is NOT a type of measurement scale?

• Nominal

• Ordinal

• Circular

• Ratio

If a variable can be classified as "male" or "female," what type of variable is it?

• Ordinal

• Nominal

• Ratio

• Interval